SPECTRALIS® HRA User Manual Software Version 6.0 August 2014 © Heidelberg Engineering GmbH Art. Nr. 97327-005 US.AE14 Corporate Headquarters Heidelberg Engineering GmbH Tiergartenstr. 15 69121 Heidelberg/Germany Telephone: +49 6221 6463-0 Fax: +49 6221 6463-62 USA Heidelberg Engineering, Inc. 1808 Aston Avenue, Suite 130 Carlsbad, CA 92008 Telephone: +1 (760) 536-7000 Fax: +1 (760) 536-7100 US Service Center Heidelberg Engineering, Inc. 10 Reservoir Road, Unit 2 Smithfield, RI 02917 Telephone: +1 (401) 349-0500 Fax: +1 (401) 349-0504 email: info@HeidelbergEngineering.com Internet: http://www.HeidelbergEngineering.com © Heidelberg Engineering GmbH Supplemental instructions Please read this user manual and follow all precautions before using the device and the software. Mind all safety advices on the device and in the manual while operating the SPECTRALIS. Heidelberg Engineering hereby declares that this product conforms to the requirements of Directive 93/42/EEC of the Council of the European Community dated 14 June 1993 regarding medical products (MDD 93/42/EEC). Warranty Disclaimer If the device is unauthorized reconstructed, or opened by someone other than an authorized service personnel, the warranty will be void. HEYEXTM is a trademark of Heidelberg Engineering GmbH in the United States and other countries. SPECTRALIS MultiColorTM is a trademark of Heidelberg Engineering GmbH in the United States and other countries. SPECTRALIS® HRA+OCT, SPECTRALIS® HRA, SPECTRALIS® FA +OCT, SPECTRALIS® OCT, SPECTRALIS® OCT with BluePeak, SPECTRALIS® OCTPLUS, SPECTRALIS® OCTPLUS with BluePeak, BluePeakTM Blue Laser Autofluorescence, TruTrackTM Active Eye Tracking, AutoRescanTM, Heidelberg Noise ReductionTM, FoDiTM and NsiteTM are either registered trademarks or trademarks of Heidelberg Engineering GmbH in the United States and other countries. Microsoft® Windows, Microsoft® Windows XP, Microsoft® Windows 7, Microsoft® Excel and Microsoft® Editor are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Intel®, Intel® CoreTM and Pentium® are either registered trademarks or trademarks of Intel Corporation in the United States and/or other countries. FireWire® and the FireWire Logo are registered trademarks or trademarks of Apple Computer, Inc., registered in the United States and other countries. This product is manufactured under one or more of the following patents: US 5,170,276; US 5,620,000; US 7,203,351; US 7,971,999. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 3 Table of contents Table of contents 1 Preface....................................................................................... 8 1.1 How to use this User Manual.............................................. 8 1.1.1 Explaining Symbols.......................................................... 8 1.1.2 Explaining Identification Marks........................................ 9 1.2 Valid User Manuals for the Current Release.................... 10 1.3 Intended Use..................................................................... 10 1.4 Qualification of Personnel................................................. 11 1.5 Contraindications.............................................................. 11 1.6 Scope of Delivery.............................................................. 11 1.7 Third Party Hardware and Software.................................. 12 1.7.1 Isolating Transformers and Multiple Socket Outlets...... 13 1.7.2 Printers........................................................................... 13 1.7.3 External Devices............................................................ 14 1.8 Software Protection........................................................... 14 1.9 Technical Description........................................................ 14 1.9.1 Confocal Laser Scanning............................................... 14 1.9.2 Heidelberg Engineering Technologies........................... 15 1.9.3 MultiColor Scanning Laser Imaging (Option)................. 16 1.10 Precision of SPECTRALIS Measurement....................... 17 1.11 Heidelberg Eye Explorer Software Platform................... 18 4 2 General Safety Messages....................................................... 2.1 Patient Safety.................................................................... 2.2 Data Security.................................................................... 2.3 Equipment Reliability........................................................ 2.4 Laser Safety...................................................................... 20 20 22 22 25 3 Preparing for Examination..................................................... 3.1 The SPECTRALIS Device................................................ 3.2 Switching the Device on and off........................................ 3.3 Preparing the Device........................................................ 3.4 Preparing the Patient........................................................ 3.5 General HEYEX Settings.................................................. 3.5.1 Setting Display Options.................................................. 3.5.2 Setting Plug-Ins.............................................................. 3.6 Accessing Software Information....................................... 26 27 28 29 30 31 32 33 33 4 Workflow.................................................................................. 34 5 Heidelberg Eye Explorer (HEYEX)......................................... 5.1 Starting HEYEX................................................................ 5.2 Graphical User Interface Database Window..................... 5.2.1 Tool Bar......................................................................... 5.2.2 Changing Display Options of Database Window........... 5.3 Graphical User Interface Image Viewing Window............. 5.3.1 Tool Bar......................................................................... 5.3.2 Changing Display Options of Image Viewing Window... 35 35 37 38 38 39 40 41 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Table of contents 5.4 Creating a New Patient File.............................................. 5.5 Selecting and Opening Patient Files................................. 5.5.1 Selecting a Patient File.................................................. 5.5.2 Selecting a Single Examination..................................... 5.5.3 Selecting Multiple Patient Files...................................... 5.5.4 Selecting All Patient Files.............................................. 5.6 Searching Patient Files..................................................... 5.6.1 Quick Search................................................................. 5.6.2 Searching Patient Files from Today............................... 5.6.3 Advanced Search........................................................... 5.6.4 Loading Filters............................................................... 5.7 Starting a New Examination.............................................. 5.8 Continuing Examinations.................................................. 5.9 Deleting Patient Files and Examinations.......................... 5.10 Patient Data.................................................................... 5.10.1 Updating or Changing Patient Data............................. 5.10.2 Updating or Changing Additional Patient Data............ 5.10.3 Updating or Changing Comments and Anamnesis...... 5.11 Examination Data............................................................ 5.11.1 Updating or Changing Examination Data..................... 5.11.2 Updating or Changing Diagnosis................................. 5.12 Updating or Changing Eye Data..................................... 5.13 Moving Images between Patient Files............................ 5.13.1 Merging Duplicate Patient Files................................... 5.13.2 Moving Images Stored in the Wrong Patient File......... 5.14 Using the Lightbox.......................................................... 5.14.1 Adding Images to the Lightbox.................................... 5.14.2 Saving the Lightbox..................................................... 5.14.3 Removing Images from the Lightbox........................... 5.14.4 Deleting the Lightbox................................................... 42 45 45 45 47 48 50 50 51 52 54 54 56 56 57 57 58 60 61 61 62 63 64 64 66 67 67 67 68 68 6 Touch Panel............................................................................. 6.1 Grafical User Interface...................................................... 6.2 Selecting Acquisition Modalities........................................ 6.3 Selecting Acquisition Settings........................................... 70 70 72 73 7 Acquiring Images.................................................................... 7.1 Setting Default Acquisition Parameters............................ 7.2 Unlocking Examinations.................................................... 7.3 Graphical User Interface cSLO Acquisition Window......... 7.4 Preparing the Examination................................................ 7.4.1 Selecting Acquisition Modes.......................................... 7.4.2 Selecting a Fixation Light............................................... 7.5 Acquiring cSLO Images.................................................... 7.6 Performing an Angiography.............................................. 7.7 Injection Timers................................................................. 7.8 High Magnification Images................................................ 74 75 76 78 80 80 82 84 88 93 95 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 5 Table of contents 7.9 Acquiring a BluePeak Blue Laser Autofluorescence Image................................................................................ 96 7.10 Acquiring a Movie......................................................... 100 7.11 Acquiring a Composite Fundus Image.......................... 103 7.12 Acquiring a Composite 3x3 Fundus Image................... 109 7.13 Acquiring a Stereo Fundus Image................................ 110 7.14 Performing a Tomography............................................ 114 7.15 Acquiring MultiColor Images (Option)........................... 117 7.15.1 Acquiring MultiColor cSLO Images............................ 118 6 8 Analyzing Images.................................................................. 8.1 Preparations.................................................................... 8.1.1 Setting Viewing Preferences........................................ 8.1.2 Adjusting Image Settings............................................. 8.1.3 Adjusting Monitor Settings........................................... 8.1.4 Window Options........................................................... 8.1.5 Accessing Image Information....................................... 8.2 Tools............................................................................... 8.2.1 Overlays....................................................................... 8.2.2 Zoom and Pan Mode................................................... 8.2.3 Rotating Images........................................................... 8.2.4 Expanding and Extracting Images and Movies............ 8.3 HRA Image Thumbnails.................................................. 8.4 Analyzing cSLO Images.................................................. 8.4.1 Graphical User Interface Analysis Window.................. 8.4.2 Analyzing ART Composite Fundus Images................. 8.4.3 Analyzing Simultaneous Fundus Images..................... 8.4.4 Analyzing Stereo Fundus Images................................ 8.4.5 Analyzing Movies......................................................... 8.5 Analyzing MultiColor Images (Option)............................ 8.5.1 Showing Selective Color Laser Images....................... 8.5.2 Graphical User Interface.............................................. 8.5.3 Color Balance Presets................................................. 8.5.4 Analyzing Movies......................................................... 122 123 123 124 126 127 128 129 129 139 142 142 143 144 144 146 146 147 149 150 151 152 153 154 9 Reports.................................................................................. 9.1 Customizing Reports....................................................... 9.2 Printing Reports.............................................................. 9.3 Exporting Reports as Image Files................................... 9.4 “Overview Report” .......................................................... 9.5 MultiColor Reports (Option)............................................ 9.5.1 MultiColor Selective Color Laser Images..................... 156 156 157 160 161 161 162 10 Processing Data.................................................................... 10.1 Exchanging OD/OS....................................................... 10.2 Exporting individual Examinations as E2E Files........... 10.3 Exporting Multiple Patient Files as E2E Files............... 10.4 Importing E2E Files....................................................... 163 163 164 164 165 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Table of contents 10.5 Exporting Pictures......................................................... 10.6 Exporting XML-Files...................................................... 10.7 Exporting Movies.......................................................... 10.8 Burning Exported Data onto a CD................................ 10.9 Computing Mean Images.............................................. 10.10 Computing Composite Images.................................... 11 167 168 169 170 170 171 Data Backup.......................................................................... 173 11.1 Archiving Images.......................................................... 173 11.2 Retrieving Images......................................................... 173 11.3 Compressing the Database.......................................... 174 12 Troubleshooting.................................................................... 12.1 Display Messages HEYEX............................................ 12.2 Display Messages Acquisition Window......................... 12.3 Display Messages Analysis Window............................. 12.4 Display Messages Touch Panel.................................... 12.5 Display Messages Power Supply.................................. 175 178 178 180 180 180 13 Service and Cleaning............................................................ 13.1 Service and Maintenance............................................. 13.2 Saving the Log Information to the Archive File............. 13.3 Cleaning and Disinfection............................................. 181 181 181 182 14 Disposal................................................................................. 185 15 Technical Specifications...................................................... 15.1 Electromagnetic Compatibility....................................... 15.1.1 Guidance and Manufacturer’s Declaration................. 15.1.2 Recommended Separation Distances....................... 15.2 Regulatory Standards................................................... 15.3 Labeling........................................................................ 15.3.1 UL Classification Mark............................................... 16 Terms and Definitions.......................................................... 195 17 Index....................................................................................... 198 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 186 188 188 190 191 192 194 7 1 Preface How to use this User Manual 1 Preface This chapter provides an introduction to this user manual, the device, the Heidelberg Engineering technologies, and includes: About this Chapter ▪ ▪ ▪ ▪ ▪ ▪ ▪ 1.1 Explaining symbols and identification marks Qualification of personnel Intended use Scope of delivery Third party hardware and software Technical description Software configuration of Heidelberg Engineering products How to use this User Manual This user manual serves as a reference guide for the Heidelberg Engineering device. Read the entire user manual to gain a full understanding of the device and the software. It is not necessary to read all the chapters in chronological order. Begin with a topic of interest. Follow the links and references included in the text for guidance to other chapters. 1.1.1 Explaining Symbols Safety Messages L WARNING L CAUTION NOTICE Safety messages are indicated by symbols in this user manual. They are marked by a signal word and a safety alert symbol indicating the category of hazard. Warning indicates a hazardous situation which, if not avoided, could result in death or serious injury. Caution with the safety alert symbol indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. Notice is used to address practices not related to personal injury. The symbol indicates helpful hints for using the device and the software. Safety messages answer the following questions: ▪ What is the hazard? ▪ What are possible consequences of not avoiding the hazard? ▪ How is the hazard avoided? 8 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preface 1 How to use this User Manual Embedded Safety Messages Embedded safety messages are integrated into procedures or into other non-safety information. Integrating safety messages into procedures can be particularly helpful, as the safety message can be placed at the step in the procedure when it should be followed. L CAUTION! This is an embedded safety message of the type "Cau- tion". The embedded safety message includes the use of a signal word, the safety alert symbol, and the message. This is an embedded safety message of the type "Note". Procedures The procedure is used for supporting the reader in completing a task. ... Lists ▪ The list is used for structuring information. ▪ ... 1.1.2 Explaining Identification Marks Code Cross-references Elements of the graphical user interface Code of for example the heyex.ini file is identified by monospaced typeface: If DefaultDevice=-1 then the recently selected device is being chosen as default. Cross-references are identified by parentheses: (" Chapter number "Title", p. number), for example ( Chapter 1.1.2 “Explaining Identification Marks”, p. 9). Elements of the graphical user interface like buttons, window names, or file names are identified by quoted italic font: Press “Next” to confirm. Examples are identified by a gray background over the entire width of the page. Examples Keys Menu paths URL Keys are identified by their symbol: + Menu paths of the software are identified by quoted italic font. Each menu item is separated by a backslash: “File \ Save as”. Information available on websites is identified by underlined text: http://www.heidelbergengineering.com © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 9 1 Preface Intended Use 1.2 Valid User Manuals for the Current Release The following User Manuals are valid for the current SPECTRALIS software release. User Manual Article number Revision Anterior Segment Module 97363 005 et seq. DICOM for SPECTRALIS and HEP 97453 001 et seq. Nsite Analytics 97366 002 SPECTRALIS HRA 97327 005 et seq. SPECTRALIS HRA+OCT 97326 008 et seq. SPECTRALIS OCT 97328 005 et seq. SPECTRALIS OCTPlus 97329 005 et seq. Software Installation and Administrator Guide 97292 004 et seq. RegionFinder 99273 006 et seq. Scan Planning Tool 97389 004 et seq. Ultra-Widefield Module 97446 004 et seq. Wide Field Lens 97373 003 et seq. 1.3 Intended Use The SPECTRALIS is a non-contact ophthalmic diagnostic imaging device. It is intended for viewing the posterior segment of the eye, including two- and three-dimensional imaging, cross-sectional imaging (SPECTRALIS HRA+OCT and SPECTRALIS OCT), fundus photography, fluorescence imaging (fluorescein angiography, indocyanine green angiography; SPECTRALIS HRA+OCT, SPECTRALIS HRA), autofluorescence imaging (SPECTRALIS HRA+OCT, SPECTRALIS HRA and SPECTRALIS OCT BluePeak) and to perform measurements of ocular anatomy and ocular lesions. The device is indicated as an aid in the detection and management of various ocular diseases, including age-related macular degeneration, macular edema, diabetic retinopathy, retinal and choroidal vascular diseases, glaucoma, and for viewing geographic atrophy as well as changes in the eye that result from neurodegenerative diseases. The SPECTRALIS HRA+OCT and SPECTRALIS OCT include a retinal nerve fiber layer thickness normative database, which is used to quantitatively compare the retinal nerve fiber layer in the human retina to a database of Caucasian normal subjects; the classification result is valid only for Caucasian subjects. The optional SPECTRALIS Anterior Segment Module is an accessory to the SPECTRALIS HRA+OCT and SPECTRALIS OCT, and is indicated for imaging the anterior segment of the eye. 10 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preface 1 Scope of Delivery 1.4 Qualification of Personnel The device is intended to be operated by professional users with health care background and with experience in the operation of ophthalmic imaging and diagnostic equipment, for example clinical personal, physicians, ophthalmic photographers or optometrists. The operator must have access to the user manual, the enclosed relevant security information and maintenance details comprising proper handling, utilization and the operation of the medical device. To support continuing education on their equipment, Heidelberg Engineering offers regular live and online training courses for clinicians, researchers, photographers, technicians and office staff. For further information, view the Heidelberg Engineering Academy program at http://www.heidelbergengineering.com. 1.5 Contraindications Absolute contraindications There are no known absolute contraindications for the use of SPECTRALIS for diagnostic imaging. When using fluorescence dyes, follow the instructions given on the contrast agent package insert. Relative contraindications Photosensitive Epilepsy While no such event was reported to Heidelberg Engineering worldwide, it is a known fact that flickering light with frequencies in the range of the SPECTRALIS imaging frame rate can trigger epileptic seizures in sensitive persons. Typically these incidents are triggered if both eyes are exposed to the light source, where during a SPECTRALIS examination only one eye is exposed. However, particularly in imaging modes with clearly visible light sources like MultiColor, FA, and BAF, explain to each patient that the light is very bright and flickers. Discontinue the examination if there are any signs of epileptic symptoms. 1.6 Scope of Delivery The following components are included with the purchase of a SPECTRALIS device: ▪ SPECTRALIS camera head with camera guide with break, camera mount piston, slide, and screws ▪ SPECTRALIS instrumentation base ▪ SPECTRALIS power supply ▪ SPECTRALIS standard lens with cover and wooden box ▪ SPECTRALIS touch panel with cables ▪ External fixation light ▪ Two FireWire cables ▪ Dust cover ▪ USB software dongle ▪ CD containing operation software Heidelberg Eye Explorer (HEYEX), Acquisition Module and Viewing Module © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 11 1 Preface Third Party Hardware and Software The following manuals are included with the purchase: ▪ SPECTRALIS User Manual, this document The following power supply cord is included with the purchase: Component Manufacturer Model Technical Specifications Standard Power supply cord Various Various 125 V, 10 A, Hospital Grade, SJT 18AWG UL817 Various Various Type H05VV-F 3G 0.75 mm2 or IEC 60227 H05VV-F 3G 1.00 16 A mm2, <HAR>, 250 V, The following components are available as optional accessory: Component Manufacturer Model Technical Specifications Standard Footswitch Steute Medizintechnik KF 1S-MED 25 VAC, 60 VDC, IPX5, max. 30 VA IEC 60601-1:2005 PC Various Various 100-240 V, 50-60 Hz, 7.5-3.5 A , max. load 500 W UL 60950-1 LCD monitor Various Various 100-240 VAC, 0.68-0.29 A, 50/60 Hz UL 60950-1 Keyboard Various Various 5 V, 50 mA UL 60950-1 1.7 Third Party Hardware and Software L CAUTION If software and/or hardware that has not been approved by Heidelberg Engineering is installed on the device, bad image quality and device failures may occur. Do not install third party software and/or hardware that has not been approved by Heidelberg Engineering. A device failure and bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Under some conditions the device could cause an electric shock that might have a serious impact on the patient's or the user's health. L CAUTION 12 All external devices connected to the device must comply with the standards IEC 60601 or IEC 60950. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preface 1 Third Party Hardware and Software 1.7.1 Isolating Transformers and Multiple Socket Outlets L WARNING Incorrect use of isolating transformer or multiple socket outlet. Only use an isolating transformer or multiple socket outlet as specified in this user manual. If the system was installed with an isolating transformer or multiple socket outlet, always make sure that all parts of the system are connected to the isolating transformer or multiple socket outlet. Do not change the correctly installed system. Do not put the isolating transformer or the multiple socket outlet on the floor. If the system is operated with a non-conforming isolating transformer or multiple socket outlet, this could cause an electric shock that might have a serious impact on the patient's or the user's health. The isolating transformers shall have a degree of protection not exceeding IPX4. Make sure that the total power consumption does not exceed the specified electrical power output for the isolating transformer as indicated. For the installation of the system, it might be necessary to use an isolating transformer or a multiple socket outlet. If an isolating transformer is necessary to limit leakage currents of system components to acceptable levels according to IEC 60601-1 it must conform to IEC 61558-2-1, except that the requirement of degree of protection IPX4 does not apply, or to IEC 60601-1:2005. If a multiple socket outlet is used, it must conform to the requirements of IEC 60601-1:2005. For an UL conforming system configuration, select the following isolating transformer: 1.7.2 Line Voltage [V] Model Capacity [VA] Manufacturer 115 MED R 3rd 1,000 REO Inductive Components AG Printers The device can be operated with any standard and Windows compatible color laser printer. In order to ensure safe operation, please note that printers must have CE and/or FCC approval. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 13 1 Preface Technical Description 1.7.3 External Devices The device can be operated with the following external devices: ▪ USB hub ▪ USB storage device ▪ External DVD drive In order to ensure safe operation, please note: ▪ USB hub and storage device must have CE and/or FCC approval. ▪ USB hub and storage device must be powered from USB port only. 1.8 Software Protection Fig. 1: Software protector (dongle) The software protector (dongle) (Fig. 1) must be connected to either the USB port of the PC the camera is connected with or to the PC that has access to the database. On this PC, the Heidelberg Engineering License Manager must be installed. Heidelberg Engineering recommends to connect the dongle with a USB 2.0 port. The software protector (dongle) must remain connected at all times while operating the device. For further information, please contact your local distributor or Heidelberg Engineering. 1.9 Technical Description 1.9.1 Confocal Laser Scanning For acquiring digital confocal images, a laser beam is focused on the retina. The laser beam is deflected periodically by means of oscillating mirrors to sequentially scan a two-dimensional section of the retina. The intensity of the reflected light or of the emitted fluorescent light at each point is measured with a light sensitive detector. In a confocal optical system, light reflected or emitted outside of the adjusted focal plane is suppressed, resulting in high contrast images. Furthermore – especially during indocyanine green angiographies (ICGA) – the confocal optical system acquires a layer-by-layer threedimensional image. This system allows clinicians to image patients with poorly or non-dilated pupils, which is especially important for diabetic patients who do not dilate well and make up a large proportion of patients in a retina clinic. 14 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preface 1 Technical Description Fluorescence dyes are excited in relatively narrow wavelength bands. Using a laser is the most efficient way for excitation, since all the energy is concentrated at one specific wavelength rather than in a broad continuum as with ordinary flash photography light. The SPECTRALIS requires considerably less retinal light exposure than photographic systems, thus allowing for safer and more patientfriendly examination. The laser sources of the device emit laser light with four different wavelengths: ▪ A blue laser diode with wavelength 486 nm is used to excite the fluorescein or the intrinsic autofluorescence. A barrier filter at 500 nm separates excitation and fluorescence light. The same wavelength without the barrier filter is used to create red-free images, also called blue reflectance images. The SPECTRALIS is also capable of high quality BluePeak autofluorescence imaging. ▪ A diode laser at 786 nm wavelength is used with a barrier filter at 830 nm to separate excitation from fluorescence in the retina using indocyanine green dye. ▪ A diode laser at 815 nm wavelength produces infrared reflectance (IR) images. ▪ A diode laser at 518 nm wavelength (Option). When using simultaneous imaging modes, each image line is scanned individually by each laser. For example, during simultaneous fluorescein and indocyanine green angiography, only the 486 nm laser is switched on for the first scan of a line, while during the second scan only the 786 nm laser is switched on. In every acquisition mode, individual images, temporal image sequences, or a focal series of images (layered three-dimensional images) can be acquired. 1.9.2 Heidelberg Engineering Technologies Multi-modality Imaging The HRA is a multi-modality imaging device. It combines SD-OCT with the following fundus imaging modalities: ▪ ▪ ▪ ▪ ▪ ▪ Blue reflectance imaging (BR) Infrared reflectance imaging (IR) BluePeak blue laser autofluorescence imaging (BAF) Fluorescein angiography (FA) Indocyanine green angiography (ICGA) MultiColor imaging (Option)( Chapter 1.9.3 “MultiColor Scanning Laser Imaging (Option)”, p. 16) Getting the full picture of a disease is critical to understanding complex pathologies. Multi-modality imaging offers deep insights into structure, function and metabolic activity of the retina and, consequently, benefits patient flow, detection, and management of disease. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 15 1 Preface Technical Description Heidelberg Noise Reduction 1.9.3 TruTrack Active Eye Tracking enables the capture of multiple images in the exact same location. The automatic real time (ART) mean function combines these images, helping clinicians to discriminate between image “noise” and true signals from real tissue structures. Noise is effectively eliminated and the result are images of high contrast with finer detail. MultiColor Scanning Laser Imaging (Option) MultiColor image Blue reflectance image Green reflectance image Infrared reflectance image MultiColor – Scanning Laser Imaging is the latest addition to the SPECTRALIS multi-modality imaging platform. It is an optional retinal fundus imaging modality for all SPECTRALIS models. MultiColor images are composed of three selective, simultaneously acquired color laser images: infrared, green and blue reflectance. Based on the core technologies of confocal scanning laser, active live eye tracking and noise reduction technology, MultiColor images demonstrate high image contrast and resolution. Without a flash light and no need for pupil dilation this entirely non-invasive fundus imaging modality significantly improves patient comfort as compared to color fundus photography. In addition, simultaneous imaging with multiple laser colors selectively captures and portraits diagnostic information originating from different retinal structures within a single examination. ▪ Blue reflectance highlights epiretinal membranes, nerve fiber layer and macular pigment. ▪ Green reflectance highlights blood, blood vessels and exudates. ▪ Infrared reflectance highlights drusen, RPE abnormalities and changes in the choroid. Along with the MultiColor image all three color laser images can be viewed and analyzed individually in the MultiColor viewing software. 16 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preface 1 Precision of SPECTRALIS Measurement 1.10 Precision of SPECTRALIS Measurement The reproducibility and repeatability of the various measurements provided by the SPECTRALIS were tested with the following results: Reproducibility Data Summary Measurement Standard Deviation Coefficient of Variation Estimate 95% Confidence Interval Estimate 95% Confidence Interval HRA Distance 0.05 mm 0.04 – 0.09 mm 0.8% 0.6 – 1.3% HRA Area 0.34 mm2 0.24 – 0.58 mm2 1.7% 1.2 – 2.9% OCT Mean Retinal Thickness (volume scan) 1.6 μm 1.4 – 1.8 μm 0.5% 0.4 – 0.6% OCT Central Foveal Thickness (volume scan) 2.6 μm 1.9 – 4.5 μm 1.1% 0.8 – 1.8% OCT Central Foveal Thickness (B-scan) 2.4 μm 1.7 – 4.1 μm 1.0% 0.7 – 1.7% OCT RNFL Thickness (global) 1.4 μm 1.0 – 2.4 μm 1.4% 1.0 – 2.4% OCT RNFL Thickness (in sectors) 3.9 μm 3.3 – 4.7 μm 3.5% 3.0 – 4.2% Repeatability Data Summary Measurement Standard Deviation Coefficient of Variation Estimate 95% Confidence Estimate Interval 95% Confidence Interval HRA Distance 0.02 mm 0.01 – 0.04 mm 0.3% 0.2 – 0.6% HRA Area 0.14 mm2 0.09 – 0.26 mm2 0.7% 0.5 – 1.3% OCT Mean Retinal Thickness (volume scan) 1.1 μm 1.0 – 1.3 μm 0.4% 0.3 – 0.4% OCT Central Foveal Thickness (volume scan) 1.8 μm 1.2 – 3.4 μm 0.7% 0.5 – 1.4% OCT Central Foveal Thickness (B-scan) 1.7 μm 1.2 – 3.3 μm 0.7% 0.5 – 1.4% OCT RNFL Thickness (global) 0.7 μm 0.5 – 1.4 μm 0.7% 0.5 – 1.3% OCT RNFL Thickness (in sectors) 1.1 μm 0.9 – 1.4 μm 1.0% 0.8 – 1.2% 0.7 – 1.7% © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 17 1 Preface Heidelberg Eye Explorer Software Platform 1.11 Heidelberg Eye Explorer Software Platform Heidelberg Engineering devices consist of the following software, modules, and plug-ins: ▪ ▪ ▪ ▪ ▪ ▪ Heidelberg Eye Explorer (HEYEX) Heidelberg Eye Explorer (HEYEX) Acquisition software Analysis software Network licenses (Option) Connection of practice management software (Option) Image Capture Module All Heidelberg Engineering devices operate on the Heidelberg Eye Explorer (HEYEX) platform. HEYEX hosts the patient database, from which the user manages patient files and performs examinations. HEYEX also hosts the image acquisition and analysis applications for the different Heidelberg Engineering devices. The following add-on options are available for HEYEX: ▪ Network Licenses ▪ External System Interface (Option) ▪ Additional analysis software Acquisition and Analysis Software In addition to the operating software, including the acquisition and analysis software provided with each device, additional optional viewing software is also available. This viewing software enables full access to all images and patient data on PCs which are not connected to the device. Network Licenses All Heidelberg Engineering devices can be used within a network environment. This allows users to review images from networked PCs, often referred to as viewing stations, using the same analysis software that is used on the instrument PC. In a network environment the common HEYEX database containing all patient data is located on a network server. Images acquired with the device are saved to this database. Viewing and analyzing these images is possible at any computer that meets the viewing station requirements. A viewing station receives access to the database through a network license. The network license can be fixed – permanently assigned to a computer – or floating – many viewing stations share a defined number of licenses. Each device includes at least two floating network licenses. If viewing access for more concurrent users is required, additional network licenses can be purchased. External System Interface (Optional) HEYEX can exchange patient data and images with other compatible systems in the department, e.g. Electronic Medical Record systems, Image Management Systems, PACS, etc. The interface is deployed via the DICOM standard or via a proprietary interface. 18 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preface 1 Heidelberg Eye Explorer Software Platform The following features are included: ▪ Import of patient demographics/DICOM Modality Worklist into HEYEX ▪ Export of images and reports from HEYEX For further information, please refer to the DICOM Interface User Manual. Image Capture Module The Image Capture Module software enables the import of external images or documents, e.g. from other devices, or Windows screenshots and adds them to the patient file in HEYEX. Images can be imported by: ▪ Browsing to digital images, e.g. .JPEG, .TIF, .BMP ▪ Capturing screenshots ▪ Scanning-in paper files For further information, please refer to the Image Capture Module User Manual. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 19 2 General Safety Messages Patient Safety 2 General Safety Messages Review the following points before handling the device: ▪ Carefully read the user manual. ▪ Keep this user manual within easy access. ▪ The inappropriate use of this device could damage the device and/or cause severe injuries. ▪ Mind all safety advices on the device and in the user manual. ▪ Follow all precautions listed in the user manual. A thorough understanding of how to properly use the device will reduce examination time, increase patient comfort and support best image quality. 2.1 Patient Safety Follow the instructions below to ensure the patient safety and the best examination results possible: ▪ Never leave the patient alone in the examination room during the examination. ▪ Clean and disinfect the head rest, the chin rest, and the lens in front of the patient. Dirty device parts can transmit pathogenic germs causing infections. There are no contraindications associated with normal use of the device. L CAUTION Artifacts due to reflections from internal optics can be visible in reflectance images. Do not mistake this artifact for a pathology. Residual reflections from optical surfaces may appear as bright spot artifacts in reflectance images. Central artifacts are more likely for patients with lower fundus signal, e.g. patients with cataract or small, undilated pupils as well as for patients with high myopia. 20 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US General Safety Messages 2 Patient Safety L CAUTION If the service mode is enabled the background of the acquisition window is color-coded red. On the touch panel and on the power supply a message is displayed that the service mode is switched on and you are not supposed to use the device. Do not use the system. Contact your service technician, your local Heidelberg Engineering partner or the Heidelberg Engineering support. You are not allowed to acquire images while the service mode is enabled. L CAUTION If the scanner stops oscillation, a small radiation spot caused by the laser might hit the retina. Check that the scanners are working properly when starting an examination. A high tone must be audible when the camera is switched on. The too high load of light energy might damage the patient's retina. L WARNING Incorrect patient data can lead to wrong diagnostic interpretation. Confirm that the correct patient data is used when starting an examination. Confirm that the correct patient data is used when selecting the examination method. Confirm that the correct patient data is used when drawing diagnostic conclusions. A wrong diagnostic interpretation can result in wrong therapeutic approaches. L WARNING A patient that is not optimally prepared for the examination might cause poor examination results. Carefully explain the examination procedure before the beginning of the examination so that patients suffering from a lack of concentration, elderly people or patients who are afraid of the examination can achieve good examination results. If the examination results are poor, the examination might have to be repeated. L WARNING If a diagnosis is based on a single examination method, the examination results might be misinterpreted. Always consider performing additional examinations possibly with other diagnostic devices to obtain a good clinical judgment. A wrong diagnostic interpretation may result in wrong therapeutic approaches. L WARNING If the patient is not correctly positioned in front of the device bad image quality might occur. Turn the black adjustment screw and adjust the chin rest until the patient’s eyes are level with the red marks on the head rest column. Ensure that the patient's forehead touches the forehead rest. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 21 2 General Safety Messages Equipment Reliability L WARNING 2.2 The patient's eye might get seriously injured if you move the camera incautiously. Carefully move the camera towards the patient's eye. Data Security Follow the instructions below to ensure data security: L CAUTION Uncontrolled operations on the PC's operating system level may lead to data loss. Only allow authorized personnel to access the HEYEX database, the patient data and the archive media. Lost data might not be restored. L CAUTION If the disk space is seriously low, images might get lost during the acquisition because they cannot be saved. Ensure that enough memory is available on the disk where the patient data are saved. Archive data regularly. The acquired images might not be recovered and patients might need to be re-examined. L CAUTION The software might crash during image acquisition because of a hardware or a software failure and acquired images might get lost. Repeat the image acquisition. Lost data might not be restored. 2.3 Equipment Reliability Follow the instructions below to ensure equipment reliability: ▪ Do not modify the device. Modifying the device in any way will automatically void the equipment warranty. Heidelberg Engineering does not take responsibility for modified devices. ▪ Before using the device for the first time, give it a visual review. If there are any uncertainties, optical, mechanical or electrical defects, contact your Heidelberg Engineering partner. ▪ Do not use the device if there is a technical defect, unusual vibrations or an unusual sound. If there are uncertainties, contact your Heidelberg Engineering partner. ▪ Operate the system at an ambient temperature of about 18 – 25°C / 64° – 77°F. If the device is operated in ambient temperatures which exceed the recommended operating environmental conditions this might lead to a longer start-up time. The device cannot be used during this period. 22 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US General Safety Messages 2 Equipment Reliability NOTICE Portable and mobile RF communications equipment can affect medical electrical equipment. Always heed the EMC information provided in this manual when the device is installed and put into service. Avoid placing hand-held, high-frequency devices next to the device. There is a risk of device malfunction when the device is operated close to electromagnetic interference fields. Medical electrical equipment needs special precautions regarding electromagnetic compatibility. Although the electromagnetic compatibility of the system has been tested in accordance with IEC 60601-1-2, Electromagnetic Compliance (EMC), devices can nonetheless interfere and cause bad data quality or electronic disruptions. L CAUTION L CAUTION Only certified staff of your Heidelberg Engineering partner may install or modify the system. Modifications during the actual service life require evaluation to all regulatory requirements, for example compliance with IEC 60601-1. Do not attempt to repair the device if a problem occurs. For service requests, contact your Heidelberg Engineering partner. Only trained, qualified personnel authorized by Heidelberg Engineering are allowed to do repairs. L CAUTION If software and/or hardware that has not been approved by Heidelberg Engineering is installed on the device, bad image quality and device failures may occur. Do not install third party software and/or hardware that has not been approved by Heidelberg Engineering. A device failure and bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Under some conditions the device could cause an electric shock that might have a serious impact on the patient's or the user's health. L CAUTION L CAUTION US Federal Law restricts this device to sale by, or on the order of a physician or a practitioner. Only distributors authorized by Heidelberg Engineering are allowed to sell Heidelberg Engineering devices. If the device is not transported in its original packaging it might get damaged because it is not sufficiently protected against mechanical shock. Only transport the device in its original packaging to protect it against mechanical shock. A device failure might lead to bad image quality and wrong diagnostic conclusions which may result in wrong therapeutic approaches. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 23 2 General Safety Messages Equipment Reliability L CAUTION Electricity supply must be stable and comply with the required tolerances. Make sure the local electrical supply meets the equipment specifications. An instable mains supply may lead to device failures and data loss. A device failure might lead to bad image quality and wrong diagnostic conclusions which may result in wrong therapeutic approaches. Lost data might not be restored. The wrong electrical supply can damage the device. Under some conditions the device could cause an electric shock that might have a serious impact on the patient's or the user's health. L CAUTION L WARNING Do not simultaneously touch electro-conductive parts of connectors and a patient. Under some conditions the device could cause an electric shock that might have a serious impact on the patient's or the user's health. If the device is exposed to extreme temperature and/or humidity changes or to not optimal operating environmental conditions bad image quality might occur. Ensure that the operating environmental conditions are optimal. Do not expose the device to extreme temperature and/or humidity changes. Allow the instrument to adjust to room temperature for at least two hours prior to operation. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. L WARNING Do not operate the device without power plugs marked "hospital grade" which ensures the earthing reliability. Always operate the system connected to power plugs marked "hospital grade" or "hospital only". These power plugs and receptacles meet the requirements of UL 498. If the earthing reliability is not secured the device could cause an electric shock that might have a serious impact on the patient's or the user's health. L WARNING The hardware component housing may not be opened by some other than trained, qualified personnel authorized by Heidelberg Engineering. Do not open the hardware component housing. If the component housing is opened without justification, the device could cause an electric shock that might have a serious impact on the patient's or the user's health. 24 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US General Safety Messages 2 Laser Safety L WARNING Incorrect use of isolating transformer or multiple socket outlet. Only use an isolating transformer or multiple socket outlet as specified in this user manual. If the system was installed with an isolating transformer or multiple socket outlet, always make sure that all parts of the system are connected to the isolating transformer or multiple socket outlet. Do not change the correctly installed system. Do not put the isolating transformer or the multiple socket outlet on the floor. If the system is operated with a non-conforming isolating transformer or multiple socket outlet, this could cause an electric shock that might have a serious impact on the patient's or the user's health. L WARNING L WARNING 2.4 Do not operate the device in a network connection without an isolation in accordance with IEC 60601-1. If the device is operated in a network connection without an isolation in accordance with IEC 60601-1, the device could cause an electric shock that might have a serious impact on the patient's or the user's health. In order to avoid risk of electric shock, the device must only be connected to a supply mains with protective earth. Under some conditions the device could cause an electric shock that might have a serious impact on the patient's or the user's health. Laser Safety The SPECTRALIS instrument emits visible and invisible laser light through the objective lens at the front of the laser scanning camera. The SPECTRALIS complies with IEC 60825-1:2007 and is a Class 1 Laser Product. It does not pose any safety hazard whatsoever. Hazardous laser radiation may be accessible when the camera housing is open. L WARNING Only use objective lenses provided by the manufacturer. The incorrect use of lenses on the SPECTRALIS camera, or the use of unauthorized lenses may result in the patient's retina being exposed to hazardous laser light. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 25 3 3 Preparing for Examination Preparing for Examination About this Chapter This chapter provides an introduction on the initial operation of the device and instructions on preparing the device and the patient for the examination. A well-prepared patient provides better examination results. This chapter will also address general HEYEX settings for examinations. By the end of this chapter, you should be able to confidently prepare the device and the patient for an examination. 26 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preparing for Examination 3 The SPECTRALIS Device 3.1 The SPECTRALIS Device External fixation light Objective lens Forehead rest Filter wheel Head rest column with red marks Focus knob Chin rest Adjustment screw for chin rest Touch panel with ART/Sensitivity knob Joystick Camera head Setscrew; not shown © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US ; not shown 27 3 Preparing for Examination Switching the Device on and off 3.2 Switching the Device on and off It is not recommended to frequently switch the device on and off. Instead, switch on the device in the morning and off in the evening even if the device is not in constant use throughout the day. Switching on the device Switch on the isolating transformer Switch on the power supply Switch on the PC . . and the monitor . The PC will start its boot sequence. The Windows start screen is displayed until the login screen is displayed. Select a user name and enter a password if necessary. The message “Loading your personal settings” is displayed. If the login sequence has finished, the Windows desktop is displayed. Start HEYEX ( Chapter 5.1 “Starting HEYEX”, p. 35). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Start an examination ( Chapter 5.7 “Starting a New Examination”, p. 54). 28 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preparing for Examination 3 Preparing the Device Switching off the device NOTICE Shut-down procedure neglected. Do not switch off the camera when the acquisition window is open. Do not switch off the PC without closing HEYEX. Data may be lost if shut-down procedure is not performed correctly. Close all HEYEX dialog boxes and windows, e.g. acquisition window or analysis window. Click to close HEYEX. The message “Do you want to exit the program” is displayed. Click “OK” to confirm. HEYEX is closed. Select “Start \ Turn off Computer”. The “Turn off computer” dialog box is displayed. Select “Turn off” . The PC turns off . Switch off the monitor . Switch off the power supply . Switch off the isolating transformer 3.3 . Preparing the Device L WARNING A carelessly adjusted device might lead to bad image quality. Adjust the device table and/or the patient's chair so that the patient reaches the chin rest comfortably. Turn the black adjustment screw and adjust the chin rest until the patient’s eyes are level with the red marks on the head rest column. Adjust the camera and the focus carefully. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. L WARNING If the patient is not correctly positioned in front of the device bad image quality might occur. Turn the black adjustment screw and adjust the chin rest until the patient’s eyes are level with the red marks on the head rest column. Ensure that the patient's forehead touches the forehead rest. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Clean and disinfect the head rest, the chin rest, and the lens before the examination. Adjust the height of table for the patient. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 29 3 Preparing for Examination Preparing the Patient Fig. 2: Turn the black adjustment screw so that the patient's eye are level with the red marks Turn the black adjustment screw and adjust the chin rest until the patient’s eyes are level with the red marks on the head rest column (Fig. 2). Ask the patient to put their forehead against the forehead rest. If the patient's forehead is not against the forehead rest, there will be problems during image acquisition as there is too much distance between the camera and the patient's eye. 3.4 Preparing the Patient L WARNING A patient that is not optimally prepared for the examination might cause poor examination results. Carefully explain the examination procedure before the beginning of the examination so that patients suffering from a lack of concentration, elderly people or patients who are afraid of the examination can achieve good examination results. If the examination results are poor, the examination might have to be repeated. L WARNING A patient that is not optimally prepared for the acquisition of BluePeak blue laser autofluorescence images may cause bad image quality. For best image quality, Heidelberg Engineering recommends to acquire BluePeak blue laser autofluorescence images with dilated pupils. In order to improve the image quality for patients with cataract, dilating the pupils might improve the image quality. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. 30 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preparing for Examination 3 General HEYEX Settings L CAUTION Wrong classification results caused by corrective lenses. Ask the patient to remove glasses or contact lenses before the examination. Always consider that classification results of patients with intraocular lenses may be wrong. Classification results may be wrong for patients wearing glasses or contact lenses or patients with intraocular lenses. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Perform the SPECTRALIS scan before other diagnostic studies that may irritate or dry the cornea. For patients with dry eyes and contact lens wearers, apply artificial tear fluid shortly before the examination. Make sure that the patient is not distracted during fixation, e.g. persons walking by. The following explanations can help patients to understand the importance and purpose of the examination. Explaining the Fundus Examination The structure of the multi-layered retina in the posterior segment of the eye cannot be examined with conventional methods. With the SPECTRALIS fundus examination we can exactly display the retina and provide unmatched detail and contrast in angiography and reflectance images of both, the retina and the choroid, improving the diagnosis of pathologies. The examination with the SPECTRALIS is completely safe, without touching the eye. A light beam scans the retina and the optic nerve head. Please put your chin on the chin rest and your forehead against the forehead rest. For best image quality, please lean your forehead against the forehead rest for the duration of the examination. I will move the device close to your eye, but won’t touch it. Please look at the blue dot. You are allowed to blink, the examination results won’t be affected. The examination will take only a few seconds. I will let you know when the examination has finished. 3.5 General HEYEX Settings Before the first examination it is possible to set the general HEYEX settings. At first, the display options can be set: it is possible to change the image thumbnail display and the look of the image viewing window. Secondly, the plug-ins for the HEYEX can be loaded, enabled or disabled. Please do not change the settings in the “Disk Space” tab. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 31 3 Preparing for Examination General HEYEX Settings 3.5.1 Setting Display Options Click to start HEYEX. Select “Setup \ Options” in the menu bar. The “Options” dialog box is displayed. Click the “General” tab and set the following options: ▪ ▪ ▪ ▪ “Large icon size” “Small icon size” “Horizontal spacing” “Vertical spacing” In order to display the image number of each image, check the “Show image number” box. In order to set the default split mode, open the “Default Split Mode” drop-down list and select one of the following options: ▪ “No split” ▪ “Split exam” ▪ “Split exam & lightbox” For further information on changing the layout of the image viewing window, please refer to ( Chapter 5.3.2 “Changing Display Options of Image Viewing Window”, p. 41). In order to get a notification when closing HEYEX, check the “Show information on exit” box. A dialog box will ask “Do you want to exit the program” each time HEYEX is closed. Click “OK” to confirm. 32 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Preparing for Examination 3 Accessing Software Information 3.5.2 Setting Plug-Ins Click to start HEYEX. Select “Setup \ Options” in the menu bar. The “Options” dialog box is displayed. Click the “Plug-Ins” tab. Click an already installed plug-in. In order to unload the plug-in, click “Unload” . In order to enable or disable the plug-in, click “Enable” or “Disable” . In order to check or change the setup of the plug-in, click “Setup” . Click “OK” to confirm. If there are uncertainties in adjusting these settings, please ask your system administrator or contact your local distributor. 3.6 Accessing Software Information Verify the installed version of HEYEX, the acquisition module, and the viewing module. Click to start HEYEX. In the database window's menu bar select “Help \ About”. The “About Heidelberg Eye Explorer” dialog box is displayed. Check that the following installed modules are displayed: ▪ SPECTRALIS Viewing Module (VWM) Version 6.0 ▪ SPECTRALIS Acquisition Module (AQM) Version 6.0 ▪ HEYEX Version 1.9 Click “OK” to confirm. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 33 4 4 34 Workflow Workflow © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Starting HEYEX 5 Heidelberg Eye Explorer (HEYEX) This chapter provides instructions on how to set up HEYEX before an examination and includes an in-depth look at the functionality of the database window and image viewing window. About this Chapter When starting HEYEX, the database window is displayed. This window provides all database functionalities and allows you to prepare examinations. When opening a patient file, the image viewing window is displayed. This window provides all basic functions for working with patient files. It shows all examinations that exist for the patient. The examinations are organized in examination tabs by date. Each dated examination tab contains image thumbnails for each examination on that date. From here, examinations can be continued and the analysis windows can be opened. This chapter explains the simplest way to use HEYEX, but do not be afraid to explore the software and develop a method that works best for you. By the end of this chapter, you should be able to confidently prepare HEYEX for an examination. Chapter structure: ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ 5.1 Starting the software The database window and all its functions The image viewing window and all its functions Creating, selecting, editing, and searching patient files Starting and continuing examinations Deleting patient files Updating or changing patient data Updating or changing examination data Updating or changing eye data Moving images between patient files Working with the lightbox Starting HEYEX Depending on your system configuration, there are several ways to start HEYEX. Double-click the HEYEX desktop icon. HEYEX starts. The database window opens. Open the Windows start menu and select “Programs \ Heidelberg Eye Explorer \ Heidelberg Eye Explorer”. HEYEX starts. The database window opens. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 35 5 Heidelberg Eye Explorer (HEYEX) Starting HEYEX Click in the Windows task bar. HEYEX starts. The database window opens. If the User Account Management is enabled, your logon details are being requested when HEYEX starts. Please contact your system administrator for your user name, your password and information on the password policy. Changing the password on the first logon If the User Account Management has been configured by your administrator who assigned a password to your account, you will be prompted to change your password during your first logon to HEYEX. The “Change Password” dialog box is displayed. Enter your current password in the “Current Password” field. Enter your new password in the “New Password” field. Repeat your new password in the “New Password (repeat)” field. Click “OK” to confirm. A message is displayed saying that your password has been changed. Click “OK” to confirm. HEYEX starts. Changing the password in the daily If you want to change your password, select routine “Database \ Advanced \ User Account Management” in the database window's menu bar. The “Edit User Account” dialog box is displayed. Click “Change Password” . The “Change Password” dialog box is displayed. Enter your current password in the “Current Password” field. Enter your new password in the “New Password” field. Repeat your new password in the “New Password (repeat)” field. Click “OK” to confirm. A message is displayed saying that your password has been changed. 36 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Graphical User Interface Database Window 5.2 Graphical User Interface Database Window Menu bar Selected patient files are displayed Tool bar All patient files are displayed ( Chapter 5.2.1 “Tool Bar”, p. 38) Quick search © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 37 5 Heidelberg Eye Explorer (HEYEX) Graphical User Interface Database Window 5.2.1 Tool Bar Icon Description Database Window ( Chapter 5.2 “Graphical User Interface Database Window”, p. 37) Image Viewing Window ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39) Filter ( Chapter 5.6.3 “Advanced Search”, p. 52) Load Filter ( Chapter 5.6.4 “Loading Filters”, p. 54) No Filter Today ( Chapter 5.6.2 “Searching Patient Files from Today”, p. 51) Properties ( Chapter 5.10.1 “Updating or Changing Patient Data”, p. 57) New Patient ( Chapter 5.4 “Creating a New Patient File”, p. 42) New Examination ( Chapter 5.7 “Starting a New Examination”, p. 54) Load ( p. 45) Unload ( p. 45) Load all ( Chapter 5.5.4 “Selecting All Patient Files”, p. 48) Unload all ( Chapter 5.5.4 “Selecting All Patient Files”, p. 48) 5.2.2 Changing Display Options of Database Window The window partitioning can be changed: Hover with the mouse cursor over the separator. Drag-and-drop the separator to change the window partitioning. 38 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Graphical User Interface Image Viewing Window 5.3 Graphical User Interface Image Viewing Window Examination tab “Image” Selected patient file “Eye data” Tool bar ( Chapter 5.3.1 “Tool Bar”, p. 40) Acquired images OD Menu bar Acquired images OS “Patient” data ( Chapter 5.10.1 “Updating or Changing Patient Data”, p. 57) Lightbox ( Chapter 5.14 “Using the Lightbox”, p. 67) “Examination” data ( Chapter 5.11.1 “Updating or Changing Examination Data”, p. 61) © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 39 5 Heidelberg Eye Explorer (HEYEX) Graphical User Interface Image Viewing Window 5.3.1 Tool Bar Icon Description Database Window ( Chapter 5.2 “Graphical User Interface Database Window”, p. 37) Image Viewing Window ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39) Lock Examination ( Chapter 7.2 “Unlocking Examinations”, p. 76) Large Icons ( Chapter 5.3.2 “Changing Display Options of Image Viewing Window”, p. 41) Small Icons ( Chapter 5.3.2 “Changing Display Options of Image Viewing Window”, p. 41) List ( Chapter 5.3.2 “Changing Display Options of Image Viewing Window”, p. 41) No split ( Chapter 5.3.2 “Changing Display Options of Image Viewing Window”, p. 41) Split Exam ( Chapter 5.3.2 “Changing Display Options of Image Viewing Window”, p. 41) Split Exam and Lightbox ( Chapter 5.3.2 “Changing Display Options of Image Viewing Window”, p. 41) 40 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Graphical User Interface Image Viewing Window 5.3.2 Changing Display Options of Image Viewing Window The image thumbnail display and the look of the image viewing window can be changed. In order to display the image thumbnails and the lightbox without split- ting in OD and OS, click . In order to display the image thumbnails split in OD and OS, click . In order to display the image thumbnails and the lightbox split in OD and OS, click . In order to display the image thumbnails as large icons, click . In order to display the image thumbnails as small icons, click . In order to display the image thumbnails as a list, click . The window partitioning can be changed: Hover with the mouse cursor over the separators of the lightbox and OD/OS. Drag-and-drop the separator to change the window partitioning. For further information on changing these settings permanently, please refer to ( Chapter 3.5.1 “Setting Display Options”, p. 32). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 41 5 Heidelberg Eye Explorer (HEYEX) Creating a New Patient File 5.4 Creating a New Patient File L WARNING Wrong classification results caused by incorrectly entered patient data and eye data. Enter the patient's date of birth correctly. Enter the patient’s C-Curve values correctly. Classification results may be wrong if the patient’s eye data or date of birth is entered incorrectly. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Click to start HEYEX. Click in the tool bar. Fig. 3: "Patient Data" dialog box The “Patient Data” dialog box is displayed (Fig. 3). Patient Data Insert the following patient data: ▪ ▪ ▪ ▪ ▪ ▪ ▪ “Last” name (mandatory) “First” name (mandatory) “Title” “Date of birth” (mandatory) “Sex” (mandatory) “Patient-ID” “Ancestry” For further information on entering information in the “More data” tab and the “Memo” tab, please refer to ( Chapter 5.10.1 “Updating or Changing Patient Data”, p. 57). Click “OK” to confirm. If a patient entry with the same name and date of birth already exists, a message will prompt you to select whether you want to use the existing entry or not. 42 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Creating a New Patient File Select “Yes” to use the existing entry or “No” to create a new patient file. If you select “Yes” and then click “OK” to confirm, a message will be displayed that you are about to change the patient information. The patient information will then be merged in the existing patient file. If you select “No” , enter a patient ID that is different from the patient ID of the already existing patient in the “Patient-ID” field. A new patient file will then be created. Click “OK” to confirm. Fig. 4: "Examination Data" dialog box The “Examination Data” dialog box is displayed (Fig. 4). Examination Data In the “Examination Data” tab, select the device type from the “Device” drop-down list. In the “Operator” field, enter the operator's name or select an already existing entry from the drop-down list. In the “Study” field, enter a study or select an already existing entry from the drop-down list optionally. Per default, closed studies are not displayed in the “Study” drop-down list. If you want to display closed studies, check the “Include closed studies” box. For further information on entering, updating or changing a study, please refer to ( Chapter 5.11.1 “Updating or Changing Examination Data”, p. 61). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 43 5 Heidelberg Eye Explorer (HEYEX) Creating a New Patient File Fig. 5: "Diagnosis" tab In the “Diagnosis” tab enter the patient's diagnosis (Fig. 5). For further information on entering a diagnosis, please refer to ( Chapter 5.11.2 “Updating or Changing Diagnosis”, p. 62). Click “OK” to confirm. Fig. 6: "Eye Data" dialog boy The “Eye Data” dialog box is displayed. Enter the patient's “C-Curve” value correctly. If the “C-Curve” standard value 7.7 remains unchanged, examination results may deviate from actual values. C-Curve is the radius of curvature of the anterior corneal surface. For an astigmatic eye, it is given by the average of the steep and the flat corneal curvature values. If you do not change the C-Curve values from the preset value of 7.7 mm, a message will be displayed asking to verify that both C-Curve values are correct. Measurements will only be accurate if the C-Curve values are correct. All other entries are optional. For further information on entering eye data, please refer to ( Chapter 5.12 “Updating or Changing Eye Data”, p. 63). Click “OK” to confirm. The acquisition window opens. Now, you can acquire images. 44 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 5 Heidelberg Eye Explorer (HEYEX) Selecting and Opening Patient Files 5.5 Selecting and Opening Patient Files 5.5.1 Selecting a Patient File Click to start HEYEX. In order to open a patient file or to select a patient file for review, double-click a patient file. The circle next to the patient name turns black. The patient file is displayed in the right part of the database window. Click to open the image viewing window. All acquired images of the selected patient can be reviewed. The acquired images are organized by examination date in individual examination tabs. In order to review an image, double-click an image thumbnail. The analysis window opens. In order to unload the patient file in the database window, click the tool bar. 5.5.2 in Selecting a Single Examination A single examination can be selected for review. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 45 5 Heidelberg Eye Explorer (HEYEX) Selecting and Opening Patient Files Click to start HEYEX. Click in front of the patient name. All devices the patient was examined with are displayed. Click in front of the device. All examinations are displayed. Double-click the desired examination. The examination is displayed in the right part of the database window. Click to open the image viewing window. The single examination is displayed. In order to review the image, double-click the image thumbnail. The analysis window opens. In order to unload the single examination in the database window, click in the tool bar. 46 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Selecting and Opening Patient Files 5.5.3 Selecting Multiple Patient Files Click to start HEYEX. Fig. 7: Selecting patient files in the database window In order to open multiple patient files, double-click the patient files in the left part of the database window (Fig. 7). The circles next to the patient names turn black. The patient files are displayed in the right part of the database window. Click to open the image viewing window. All acquired images of the most recently selected patient file are displayed. The acquired images are organized by examination date in individual examination tabs. In order to display a specific patient file, double-click the patient file in the right part of the database window. Fig. 8: "Patient" drop-down list In order to quickly switch between the loaded patients, open the “Patient” drop-down list. All selected patient files are displayed. Select a patient file. All acquired images of the selected patient are displayed. The acquired images are organized by examination date in individual examination tabs. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 47 5 Heidelberg Eye Explorer (HEYEX) Selecting and Opening Patient Files In order to review an image, double-click an image thumbnail. The analysis window opens. In order to unload a patient file in the database window, right-click the patient file. The context menu opens. Select “Unload” . The patient file will no longer be displayed in the right part of the database window. In order to unload all patient files, click 5.5.4 in the tool bar. Selecting All Patient Files Click to start HEYEX. In order to select all patients, click in the tool bar. If more than 20 patient files are selected, e.g. 146 patient files, the message “Do you really want to load 146 patients?” is displayed. Click “Yes” to confirm. All patient files are displayed in the right part of the database window. Fig. 9: At the end of the patient list click "More" If HEYEX contains more than 1024 patient files, scroll down to the end of the patient list and click “More” (Fig. 9). The next 1024 patient files are displayed. Repeat this step until all patient files are displayed and the “More” button is no longer displayed. Click to open the image viewing window. The first patient file of the patient list in the left part of the database window is opened. All acquired images of this patient can be reviewed. The acquired images are organized by examination date in individual examination tabs. In order to display a specific patient file, double-click the patient file in the right part of the database window. 48 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Selecting and Opening Patient Files Fig. 10: "Patient" drop-down list In order to quickly switch between the loaded patients, open the “Patient” drop-down list. All selected patient files are displayed. Select a patient file. All acquired images of the selected patient are displayed. The acquired images are organized by examination date in individual examination tabs. In order to review an image, double-click an image thumbnail. The analysis window opens. In order to unload all patient files in the database window, click the tool bar. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US in 49 5 Heidelberg Eye Explorer (HEYEX) Searching Patient Files 5.6 Searching Patient Files 5.6.1 Quick Search Click to start HEYEX. Fig. 11: "Name" field in the database window In order to search patient files by name, enter the patient's last name, e.g. "Doe", into the “Name” field (Fig. 11). Press or click “Update Display” . All last names starting with "Doe" are displayed in the left part of the database window. In order to search patient files by name which include a space, enter a comma, e.g. "of Doe,". All last names starting with "of Doe" are displayed in the left part of the database window. In order to improve search results, enter the patient's last name fol- lowed by the initial of their first name, e.g. "Doe J". All last names starting with "Doe" and first names starting with "J" are displayed in the left part of the database window. The last eight entries used for the query are saved and can be selected from the drop-down list at a later time. 50 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Searching Patient Files Fig. 12: Recalling queries from the drop-down list In order to recall queries, open the drop-down list (Fig. 12). Select a last name, e.g. "Doe". Press or click “Update Display” . All last names starting with "Doe" are displayed. In order to switch off the filter, click “Update Display” . 5.6.2 or delete the name and click Searching Patient Files from Today With the search functionality “Today” it is possible to filter for all patient files that were examined on the current day. This feature could be useful in identifying examinations that require review or billing. Click to start HEYEX. Click in the tool bar. The number on the icon varies depending on today's date. On the is displayed. On the 7th, is displayed. On the 1st of the month, th 30 of the month, is displayed. All patient files containing the day's examinations are displayed. In order to switch off the filter, click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US in the tool bar. 51 5 Heidelberg Eye Explorer (HEYEX) Searching Patient Files 5.6.3 Advanced Search The advanced search allows you to search for patients using the examination data. Click to start HEYEX. In order to use the advanced search, click in the tool bar. Fig. 13: "Database Filter" dialog box The “Database Filter” dialog box is displayed (Fig. 13). Applying a Database Filter Enter the patient's name or the patient-ID in the “Name (or Pat-ID)” field. Enter the referring physician's name in the “Referring physician” field. Enter the following parameters in the “Examination” section: ▪ ▪ ▪ ▪ “Time” “Diagnosis” “Study” “Device” If you want to see only examinations within a patient file that matches to the filter settings, check the “Show only examination within the patients that match to this filter” box. Click “OK” to start the query. The search results are displayed in the left part of the database window. Duplicates and conflicts In order to identify patients with missing patient-ID, click “No Pat-ID” in the “Duplicates and Conflicts” section. All patients with missing patient-ID are displayed in the left part of the database window. In order to identify patients with duplicate patient-ID, click “Duplicate Pat-ID” in the “Duplicates and Conflicts” section. All patients with duplicate patient-ID are displayed in the left part of the database window. 52 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Searching Patient Files In order to identify patients with duplicate name and date of birth, click “Duplicate Name + DoB” in the “Duplicates and Conflicts” section. All patients with duplicate name and date of birth are displayed in the left part of the database window. Saving a Database Filter Click “Save as...” to save the database filter. Fig. 14: "Save Filter" dialog box The “Save Filter” dialog box is displayed (Fig. 14). Enter a name for the filter and click “OK” to confirm. The filter is saved. For further information on loading a saved filter, please refer to ( Chapter 5.6.4 “Loading Filters”, p. 54). Deleting a Database Filter In order to delete a filter, click “Load” . Fig. 15: "Load Filter" dialog box The “Load Filter” dialog box is displayed. Select a filter and click “Delete” to confirm. The selected filter is deleted. The “Load Filter” dialog box is closed. The “Database Filter” dialog box is displayed. In order to close the “Database Filter” dialog box, click “Cancel” or . In order to switch off the filter and see the complete patient list, click in the tool bar. The complete patient list is displayed in the left part of the database window. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 53 5 Heidelberg Eye Explorer (HEYEX) Starting a New Examination 5.6.4 Loading Filters In order to use the function “Load Filter” , a database filter must have previously been saved ( Chapter 5.6.3 “Advanced Search”, p. 52). Click to start HEYEX. Click in the tool bar. The “Load Filter” dialog box is displayed. Select a filter. Click “OK” to confirm. The filter is applied. The search results are displayed in the left part of the database window. In order to switch off the filter, click 5.7 in the tool bar. Starting a New Examination L CAUTION Wrong classification results caused by corrective lenses. Ask the patient to remove glasses or contact lenses before the examination. Always consider that classification results of patients with intraocular lenses may be wrong. Classification results may be wrong for patients wearing glasses or contact lenses or patients with intraocular lenses. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. If the message “Examination is not of the current day!” is displayed in the image viewing window, open the database window and start the examination there. If a new examination is started, a new examination tab is created. If the data have to be part of the same examination tab, continue the examination ( Chapter 5.8 “Continuing Examinations”, p. 56). Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). In order to start a new examination, click in the tool bar. A message is displayed asking whether you really want to re-examine the selected patient or not. 54 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Starting a New Examination Examination Data Click “Yes” to confirm. Fig. 16: "Examination Data" dialog box The “Examination Data” dialog box is displayed (Fig. 16). In the “Examination Data” tab, select the device type from the “Device” drop-down list. All other entries are optional. For further information on entering examination data, please refer to ( Chapter 5.11.1 “Updating or Changing Examination Data”, p. 61) In the “Diagnosis” tab enter the patient's diagnosis. For further infor- mation on entering a diagnosis, please refer to ( Chapter 5.11.2 “Updating or Changing Diagnosis”, p. 62). Eye Data Click “OK” to confirm. Fig. 17: "Eye Data" dialog box The “Eye Data” dialog box is displayed (Fig. 17). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 55 5 Heidelberg Eye Explorer (HEYEX) Deleting Patient Files and Examinations Enter the patient's “C-Curve” value correctly. If the “C-Curve” standard value 7.7 remains unchanged, examination results may deviate from actual values. C-Curve is the radius of curvature of the anterior corneal surface. For an astigmatic eye, it is given by the average of the steep and the flat corneal curvature values. If you do not change the C-Curve values from the preset value of 7.7 mm, a message will be displayed asking to verify that both C-Curve values are correct. Measurements will only be accurate if the C-Curve values are correct. 5.8 Continuing Examinations If a patient is examined several times throughout a day, all examinations can be stored in the same examination tab in the image viewing window. If the data have to be part of a new examination tab, start a new examination ( Chapter 5.7 “Starting a New Examination”, p. 54). L CAUTION Wrong classification results caused by corrective lenses. Ask the patient to remove glasses or contact lenses before the examination. Always consider that classification results of patients with intraocular lenses may be wrong. Classification results may be wrong for patients wearing glasses or contact lenses or patients with intraocular lenses. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Select the examination tab of the current day. Click in the tool bar. A message is displayed asking whether you really want to re-examine the selected patient or not. Click “Yes” to confirm. The acquisition window opens. Acquire images. The acquired images are displayed in the examination tab of the current day. 5.9 Deleting Patient Files and Examinations L CAUTION Data permanently deleted from the database cannot be retrieved. Ensure that the right data are selected before deleting them. Data permanently deleted can disable progression series and can lead to wrong diagnostic conclusions. 56 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Patient Data NOTICE Ensure that the local regulations retaining patient data are observed before deleting a patient file. Images that have been archived or put into a light box cannot be deleted. Deleting patient files in the data- Click to start HEYEX. base window Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Select “Record \ Delete” in the menu bar. The “Delete Database Record” dialog box is displayed. Check the “Yes, I want to permanently delete this database record.” box. Click “OK” to confirm. The patient file is deleted. Deleting examinations in the image viewing window Images of bad quality or those which are unsuitable for use while affected by artifacts may be deleted. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Select one or several image thumbnails. Press on the keyboard. The message “Do you really want to delete the selected images?” is displayed. Click “Yes” to confirm. The image is deleted. 5.10 Patient Data 5.10.1 Updating or Changing Patient Data L WARNING Wrong classification results caused by incorrectly entered patient data and eye data. Enter the patient's date of birth correctly. Enter the patient’s C-Curve values correctly. Classification results may be wrong if the patient’s eye data or date of birth is entered incorrectly. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. You can update the properties of patient files in case of false or incomplete entries. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US to open the image viewing window. 57 5 Heidelberg Eye Explorer (HEYEX) Patient Data Next to the patient list, click “Patient” ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39). Fig. 18: "Patient Data" dialog box The “Patient Data” dialog box is displayed (Fig. 18). Enter or change the following data: ▪ ▪ ▪ ▪ ▪ ▪ ▪ “Last” name (mandatory) “First” name (mandatory) “Title” “Date of birth” (mandatory) “Sex” (mandatory) “Patient-ID” “Ancestry” Click “OK” to confirm. A warning message will be displayed saying that you are about to change the patient information. Click “OK” to confirm. The changes will be saved. 5.10.2 Updating or Changing Additional Patient Data Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Next to the patient list, click “Patient” ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39). The “Patient Data” dialog box is displayed. 58 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Patient Data Fig. 19: "More data" tab Click the “More data” tab (Fig. 19). Enter or change the following data: ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ “Insurance” “Additional insurance data” “Known allergies” “Country of birth” “Country of residence” “Region of residence” “Occupation” “Height” “Weight” “Smoking status” “Referring Physician, Clinic” The advanced search allows the search for patients using the information entered in the “Referring Physician, Clinic” field. For further information on the advanced search, please refer to ( Chapter 5.6 “Searching Patient Files”, p. 50). If there is no referring physician entered or in order to add a new refer- ring physician, click . Fig. 20: Entering information for a new referring physician Enter name, address, and contact details in the opening dialog box (Fig. 20). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 59 5 Heidelberg Eye Explorer (HEYEX) Patient Data Click “OK” to confirm. The referring physician is saved and can now be selected from the drop-down list. Click “OK” to confirm. A warning message will be displayed saying that you are about to change the patient information. Click “OK” to confirm. The changes will be saved. 5.10.3 Updating or Changing Comments and Anamnesis The comments and the anamnesis entered in the “Memo” tab are not printed on reports. For further information on entering comments printed on reports, please refer to ( Chapter 5.11.2 “Updating or Changing Diagnosis”, p. 62). Comments and anamnesis cannot be searched with the advanced search ( Chapter 5.6 “Searching Patient Files”, p. 50). Instead, include information on the diagnosis which can be found with the advanced search ( Chapter 5.11.2 “Updating or Changing Diagnosis”, p. 62). Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Next to the patient list, click “Patient” ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39). The “Patient Data” dialog box is displayed. Fig. 21: "Memo" tab Click the “Memo” tab (Fig. 21). Insert or change comments and the anamnesis. Click “Insert time” to add date and time stamp to the comment. 60 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Examination Data Click “OK” to confirm. A warning message will be displayed saying that you are about to change the patient information. Click “OK” to confirm. The changes will be saved. 5.11 Examination Data It is possible to search patients using the examination data ( Chapter 5.6.3 “Advanced Search”, p. 52). Insert the examination data and the diagnosis as detailed as possible. 5.11.1 Updating or Changing Examination Data The properties of patient files can be updated in case of incorrect or incomplete entries. Device type information, however, cannot be changed. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Next to the patient list, click “Examination” ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39). The “Examination Data” dialog box is displayed. Enter an operator name or select an operator from the “Operator” drop-down list. Select a study from the “Study” drop-down list. Entering a new Study If no study is entered or in order to add a new study, click . Enter a study name in the opening dialog box and click “OK” to con- firm. The study is saved and can now be selected from the “Study” dropdown list. Renaming a Study In order to rename an existing study, click . Check the “Edit existing study” box and enter the new name in the opening dialog box. Click “OK” to confirm. The existing study is renamed. Deleting a Study Select the study to be deleted from the “Study” drop-down list and click . Only a study that is not assigned to any examination can be deleted. Changes made to the study are made throughout the entire database, not just that examination. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 61 5 Heidelberg Eye Explorer (HEYEX) Examination Data Check the “Delete existing study” box and click “OK” to confirm in the opening dialog box. The study is deleted. 5.11.2 Updating or Changing Diagnosis The comments entered in the “Diagnosis” tab will be displayed on reports. In order to add comments that will not be displayed on reports, please refer to ( Chapter 5.10.3 “Updating or Changing Comments and Anamnesis”, p. 60). Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Next to the patient list, click “Examination” ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39). The “Examination Data” dialog box is displayed. Click the “Diagnosis” tab. Select a number. Enter or change the following data: ▪ “Diagnosis” ▪ “Diagn-Ext.” (Diagnosis Extension) ▪ “Comment” Select a diagnosis from the “Diagnosis” drop-down list. Click “Update” to assign the diagnosis to the selected number. Entering a new Diagnosis If no diagnosis is entered or in order to add a new diagnosis, click . Enter a diagnosis and click “OK” to confirm in the opening dialog box. The diagnosis is saved and can now be selected from the “Diagnosis” drop-down list. Renaming a Diagnosis In order to rename an existing diagnosis, click . Check the “Edit existing Diagnosis” box and enter a new name. Click “OK” to confirm. The existing diagnosis is renamed. Deleting a Diagnosis Select the diagnosis to be deleted from the “Diagnosis” drop-down list and click . Only a diagnosis that is not assigned to any examination can be deleted. Changes made to the diagnosis are made throughout the entire database, not just that examination. Check the “Delete existing Diagnosis” box and click “OK” to confirm in the opening dialog box. The diagnosis is deleted. 62 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Updating or Changing Eye Data Only 50 characters of the comment are displayed on reports. Longer texts are abbreviated and marked by “...” . 5.12 Updating or Changing Eye Data You can update the “Eye Data” values in case of incorrect or incomplete entries. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Next to the patient list, click “Eye Data” ( Chapter 5.3 “Graphical User Interface Image Viewing Window”, p. 39). Fig. 22: "Eye Data" dialog box The “Eye Data” dialog box is displayed. Update or change the following eye parameters: Parameter Unit Description “C-Curve” mm Radius of curvature of the anterior corneal surface “Refraction” D Spherical refraction of the examined eye “Cylinder” D Astigmatic refraction of the examined eye “Axis” deg Axis of astigmatism of the examined eye “Pupil size” mm Pupil diameter of the examined eye “IOP” mmHg Intraocular pressure of the examined eye “VFieldMean” – Visual field mean deviation of the examined eye © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 63 5 Heidelberg Eye Explorer (HEYEX) Moving Images between Patient Files L CAUTION Parameter Unit Description “VFieldVar” – Visual field variation of the examined eye “Corrective Lens” – Select “None” , “Glasses” , “Hard Contact Lenses” or “Soft Contact Lenses” . Wrong classification results caused by corrective lenses. Ask the patient to remove glasses or contact lenses before the examination. Always consider that classification results of patients with intraocular lenses may be wrong. Classification results may be wrong for patients wearing glasses or contact lenses or patients with intraocular lenses. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. L WARNING Wrong classification results caused by incorrectly entered patient data and eye data. Enter the patient's date of birth correctly. Enter the patient’s C-Curve values correctly. Classification results may be wrong if the patient’s eye data or date of birth is entered incorrectly. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. “C-Curve” values are relevant to the SPECTRALIS. Keratometry is required to get a proper transverse measurement parallel to the retinal surface in B-scans and in HRA images. Keratometry is not necessary to obtain correct measurements perpendicular to the retinal surface, for example RNFL thickness measurements. If no “C-Curve” values have been entered, the standard value is 7.7. This value is equal to the K value of Gullstrand's model eye. The typical range of a K value is 7.2 – 8.4 mm. If a K value is wrong by 0.1 mm, the resulting error in a distance measurement parallel to the retinal surface is 0.8 %. Click “OK” to confirm. 5.13 Moving Images between Patient Files It may be necessary to move images between patient files to address the following problems: ▪ Duplicate patient files ( Chapter 5.13.1 “Merging Duplicate Patient Files”, p. 64) ▪ Images stored in the wrong patient file ( Chapter 5.13.2 “Moving Images Stored in the Wrong Patient File”, p. 66). 5.13.1 Merging Duplicate Patient Files Information that is already present in the target patient file remains unchanged. 64 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Moving Images between Patient Files Duplicate patient files can be resolved by moving all images into a single patient file. The duplicate patient file then needs to be deleted. Before merging two patient files, identify the target patient file you would like to keep and the source patient file you would like to delete afterwards. Click to start HEYEX. Select the source patient file and the target patient file. Make sure that only the relevant patient files are loaded in the right part of the database window. Click to open the image viewing window. Select the source patient file from the “Patient” drop-down list. If the patient file contains examinations for both sides “OD” and “OS” , click to remove the split. Press and hold Release on the keyboard and select all image thumbnails. and right-click a selected image thumbnail. The context menu opens. Select “Change Patient” . The “Change Patient” dialog box is displayed. Select the target patient file. Click “OK” to confirm. A message is displayed asking whether you really want to change these examinations from the source patient file to the target patient file. Click “Yes” to confirm. The selected images are moved to the target patient file and are no longer displayed in the source patient file. If an examination of the same day already exists in the target patient file, images from the source patient file will be included in this examination. If not already present, the following information will be copied to the target patient file: ▪ Injection timer ▪ Examination comments ▪ Eye data If more examination tabs exist, repeat this procedure until all examina- tions are stored in the target patient file. Select the target patient file from the “Patient” drop-down list and verify that this patient file contains all images that were moved from the source patient file. In order to return to the database window, click In order to unload all patient files, click in the tool bar. in the tool bar. Delete the source patient file of that does not contain examinations anymore. For further information on deleting patient files, please refer to ( Chapter 5.9 “Deleting Patient Files and Examinations”, p. 56). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 65 5 Heidelberg Eye Explorer (HEYEX) Moving Images between Patient Files 5.13.2 Moving Images Stored in the Wrong Patient File If the wrong patient file was accidentally selected for image acquisition, the patient's images are stored in the wrong patient file. Images may be moved from the wrong patient file to the correct patient file. NOTICE Moving images to the wrong patient file may lead to inconsistent data. Before moving images to patient files check that the correct patient data and the examination data are selected. If undetected, inconsistent data may result in erroneous diagnostic conclusions and/or erroneous treatment. Select the source patient file and the target patient file. Make sure that only the relevant patient files are loaded in the right part of the database window. Click to open the image viewing window. Select the source patient file from the “Patient” drop-down list. Select the examination tab that contains the incorrect examination data. If the examination tab contains examinations for both sides “OD” and “OS” , click to remove the split. Press and hold thumbnails. Release on the keyboard and select the desired image and right-click a selected image thumbnail. The context menu opens. Select “Change Patient” . The “Change Patient” dialog box is displayed and the target patient file is automatically selected. Click “OK” to confirm. A message is displayed asking whether you really want to change these examinations from the source patient file to the target patient file. Click “Yes” to confirm. The selected images are moved to the target patient file and are no longer displayed in the source patient file. The selected visual field examinations are moved to the target patient file and are no longer displayed in the source patient file. If an examination of the same day already exists in the target patient file, images from the source patient file will be included in this examination. If not already present, the following information will be copied to the target patient file: ▪ Injection timer ▪ Examination comments ▪ Eye data If more examination tabs exist, repeat this procedure until all examina- tions are stored in the target patient file. 66 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Using the Lightbox Select the target patient file from the “Patient” drop-down list and verify that this patient file contains the image thumbnails that were moved from the source patient file. In order to return to the database window, click 5.14 in the tool bar. Using the Lightbox The lightbox is used to mark specific examinations for review at a later time and for printing reports. The lightbox can contain images from different examination days. 5.14.1 Adding Images to the Lightbox Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. In order to add one image to the lightbox, right-click an image thumb- nail. The context menu opens. In order to add multiple images to the lightbox, press and hold the keyboard and click the image thumbnails. Release on and right-click a selected image thumbnail. The context menu opens. Select “Add to lightbox” . All images are added to the lightbox. As an alternative, select one or multiple image thumbnails and drag- and-drop them to the lightbox. 5.14.2 Saving the Lightbox Click to start HEYEX. Add images to the lightbox ( Chapter 5.14 “Using the Lightbox”, p. 67). Right-click an image thumbnail in the lightbox. The context menu opens. Select “Save Lightbox” . Enter a name for the lightbox in the opening dialog box. Click “OK” to confirm. The lightbox is saved and will be displayed the next time the patient file is opened. If several lightboxes have been saved, they can be selected from the “Lightbox” drop-down list. If the lightbox has not been saved and the image viewing window is closed or another patient is called, the message “Do you want to save the current lightbox?” is displayed. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 67 5 Heidelberg Eye Explorer (HEYEX) Using the Lightbox Click “Yes” to confirm or “No” to quit without changes. Keeping the Original Lightbox If you already have saved a lightbox and the lightbox shall be modified, there are two ways to save this changes. Either overwrite the existing lightbox or check the “Keep original Lightbox” box, to save the modified lightbox under a different file name. In this way, the original lightbox is kept. Right-click an image thumbnail in the lightbox. The context menu opens. Select “Save Lightbox” . A message is displayed asking whether you want to save the current lightbox. Check the “Keep original Lightbox” box and enter a new file name. If the option “Keep original Lightbox” is not selected, the original lightbox will be overwritten. Click “OK” to confirm. The current lightbox is saved. The lightboxes can now be selected from the “Lightbox” drop-down list. 5.14.3 Removing Images from the Lightbox Click to start HEYEX. Add images to the lightbox ( Chapter 5.14 “Using the Lightbox”, p. 67). In order to remove images from the lightbox, right-click an image thumbnail in the lightbox. The context menu opens. Select “Remove from Lightbox” . The image thumbnail is no longer displayed in the lightbox. 5.14.4 Deleting the Lightbox A lightbox that has already been saved can be deleted ( Chapter 5.14.2 “Saving the Lightbox”, p. 67). Click to start HEYEX. Select a patient file that contains one or multiple lightboxes. Click to open the image viewing window. Open the “Lightbox” drop-down list and select the lightbox to be deleted. Right-click an image thumbnail. The context menu opens. Select “Delete Lightbox” . A message is displayed asking whether you really want to delete this lightbox. 68 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Heidelberg Eye Explorer (HEYEX) 5 Using the Lightbox Click “Yes” to confirm. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 69 6 Touch Panel Grafical User Interface 6 Touch Panel About this Chapter This chapter provides an introduction to the touch panel, including: ▪ The graphical user interface and all its functions ▪ Selecting acquisition modalities, for example movies, tomographies, composite images or stereopair images ▪ Selecting acquisition settings, for example high speed or high resolution, manual or automatic image brightness control By the end of this chapter, you should be able to confidently use the touch panel and all its functions. Safety interlock. ▪ Restart the system. ▪ If the safety interlock persists, stop using the system and call Heidelberg Engineering technical support. In case of a safety interlock the message “Safety interlock, restart system.” is displayed on the touch panel. In the acquisition window, the message “Safety interlock. Device must be restarted.” is displayed. The patient sees four simultaneous blinking fixation lights. 6.1 70 Grafical User Interface © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Touch Panel 6 Grafical User Interface Acquisition modes “More” Laser intensity Fixation light Scan angle “Inj.” Injection Timer Acquisition modalities Laser on/off “Acquire” Images Acquisition modes Depending on the filter wheel position, different acquisition modes are available. For further information on acquisition modes, please refer to ( Chapter 7.4.1 “Selecting Acquisition Modes”, p. 80). Laser intensity You can change the IR and the ICG laser intensity during an examination, for example during an angiography or if the cSLO image is overexposed. Press either “25%” , “50%” , “75%” , or “100%” . Scan angle Acquisition modalities Fixation light Injection timer Laser on/off ( Chapter 7.8 “High Magnification Images”, p. 95) ( Chapter 6.2 “Selecting Acquisition Modalities”, p. 72) ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82) ( Chapter 7.7 “Injection Timers”, p. 93) The color of the button changes based on the system status. When you switch on the device, the button is color-coded red . If you start HEYEX and open the acquisition window, turns to , indicating that the camera is switched off but ready to be switched on at any time. In order to switch on the camera, press . A high tone is audible, when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 71 6 Touch Panel Selecting Acquisition Modalities 6.2 Selecting Acquisition Modalities Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). In order to start a new examination, click in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). The acquisition window opens. After initializing, turns to . . On the touch panel press A high tone is audible, when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . On the touch panel press “Movie” twice. The button “Movie” may be labeled with a different acquisition modality, e.g. “Stereo Pair” or “Composite” . The submenu is displayed. Select one of the following acquisition modalities: ▪ “Movie” ( Chapter 7.10 “Acquiring a Movie”, p. 100) The button next to “Movie” allows the adjustment of the duration of a movie. ▪ “Tomography” ( Chapter 7.14 “Performing a Tomography”, p. 114) The button next to “Tomography” allows the adjustment of the tomography depth scan rate. ▪ “Mean” The button next to “Mean” allows the adjustment of the number of frames to be averaged. ▪ “Composite 3x3” ( Chapter 7.12 “Acquiring a Composite 3x3 Fundus Image”, p. 109) ▪ “Composite” ( Chapter 7.11 “Acquiring a Composite Fundus Image”, p. 103) ▪ “Stereo Pair” ( Chapter 7.13 “Acquiring a Stereo Fundus Image”, p. 110) All selected options are highlighted blue. In the main menu the selected acquisition modality is displayed. 72 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Touch Panel 6 Selecting Acquisition Settings 6.3 Selecting Acquisition Settings On the touch panel, you can set the acquisition settings during an examination. If you want to set acquisition settings as default, please refer to ( Chapter 7.1 “Setting Default Acquisition Parameters”, p. 75). Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, On the touch panel press turns to . . A high tone is audible, when the scanners and the laser are switched turns to . on. The camera starts and the cSLO image is displayed. On the touch panel press . The submenu is displayed. Select the following acquisition settings: ▪ Resolution mode “High Speed” or “High Res.” For further information, please refer to ( Chapter 16 “Terms and Definitions”, p. 195) ▪ Image brightness control “Manual” or “Auto” For further information, please refer to ( Chapter 7.1 “Setting Default Acquisition Parameters”, p. 75). ▪ Myopic Lens “0 D” , “-6 D” or “-12 D” In order to image highly myopic eyes, shift the focus towards negative values down to -24 D by adding myopic correction of “ -6 D ” or “-12 D” . All selected options are highlighted blue. In order to return to the main menu, press © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US . 73 7 7 Acquiring Images Acquiring Images About this Chapter This chapter provides instructions on how to acquire images using each of the different acquisition modalities offered by the SPECTRALIS device. Chapter structure: ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ L WARNING L CAUTION Setting default acquisition parameters Unlocking examinations The cSLO acquisition window and all its functions Preparing the examination ▫ Selecting acquisition modes ▫ Selecting a fixation light Acquiring cSLO images Performing an angiography Acquiring a BluePeak blue laser autofluorescence image Acquiring a movie Acquiring a composite fundus image Acquiring a stereo fundus image Performing a tomography Acquiring MultiColor images (option) Only use objective lenses provided by the manufacturer. The incorrect use of lenses on the SPECTRALIS camera, or the use of unauthorized lenses may result in the patient's retina being exposed to hazardous laser light. Artifacts due to reflections from internal optics can be visible in reflectance images. Do not mistake this artifact for a pathology. Residual reflections from optical surfaces may appear as bright spot artifacts in reflectance images. Central artifacts are more likely for patients with lower fundus signal, e.g. patients with cataract or small, undilated pupils as well as for patients with high myopia. L CAUTION Wrong classification results caused by corrective lenses. Ask the patient to remove glasses or contact lenses before the examination. Always consider that classification results of patients with intraocular lenses may be wrong. Classification results may be wrong for patients wearing glasses or contact lenses or patients with intraocular lenses. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. 74 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Setting Default Acquisition Parameters In order to accelerate the volume scan acquisition, the actual number of averaged images for ART Mean may differ from the pre-selected number of ART Mean images. The maximum difference increases with the absolute number of ART Mean images. This will affect image quality only marginally. For best image quality clean the lens before an examination. 7.1 Setting Default Acquisition Parameters Before acquiring images for the first time with the device, set the default acquisition parameters. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). In order to start a new examination, click in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). The acquisition window opens. Select “Setup \ Acquisition Parameters” in the menu bar. The “Acquisition Parameter Setup” dialog box is displayed. “Default scan resolution” Select either “High Speed” or “High Res” . For further information on the scan resolution modes, please refer to ( Chapter 16 “Terms and Definitions”, p. 195). “Image Brightness Control” By means of the image brightness control, the image brightness of the cSLO image is controlled. Heidelberg Engineering recommends to use the automatic image brightness control, if you are a new user and to use the manual image brightness control, if you are an advanced user. Select either “Automatic” or “Manual” . If you select “Automatic” , the laser sensitivity automatically increases or decreases. The cSLO image is always evenly-illuminated. . If the If you select “Manual” , the laser sensitivity is controlled via cSLO image is overexposed, reduce the laser sensitivity. If the cSLO image is underexposed, increase the laser sensitivity. If the cSLO image is overexposed, turn laser sensitivity. If the cSLO image is underexposed, turn decrease the laser sensitivity. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US clockwise to increase the counterclockwise to 75 7 Acquiring Images Unlocking Examinations With the cyclic buffer size, the duration in which images shall be acquired before you press “Acquisition” on the touch panel is adjusted. The software will save several additional images from the cyclic buffer and add them to the beginning of the movie. Depending on the selected cyclic buffer size and the scan resolution mode, the number of cyclic buffer images saved varies. “Cyclic buffer size (for movies)” Select either “0.5 sec” , “1 sec” , or “2 sec” . In order to disable the cyclic buffer, select “disable” . “Default Acquisition Mode & Parameters” Select which acquisition modality shall be set as default. Select either “Movie” , “Tomography” , “Mean” , “Composite 3x3” , “Composite” , or “Stereo Pair” . If you select “Movie” , click or If you select “Tomography” , click scan range in mm. and set the duration of the movie. or and set the tomography depth If you select “Mean” , click or and set the number of frames to be averaged when acquiring images with ART Mean. “Default Fixation Target” Select either “Internal” or “External” . For further information on the fixation light, please refer to ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). In the acquisition memory setup, you can adjust the available free memory used for acquiring images. If you change the “Image buffer size” value, you have to restart the software. “Acquisition Memory Setup” In order to change the “Image buffer size” value, click or . Heidelberg Engineering recommends to set the image buffer size to 768 MB. Click “Save Settings” to confirm. 7.2 Unlocking Examinations When working in a network environment the examinations of loaded patient files are locked for users, e.g. during an ongoing examination. Therefore, these examinations cannot be processed or analyzed by a different user at the same time. If you want to allow this file to be opened by multiple users at the same time, you can unlock the examinations. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). 76 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Unlocking Examinations Click to open the image viewing window. If a red key marks the examination tab, the examinations are locked and cannot be changed or reviewed by a different user. In order to unlock the examinations, click in the tool bar. The red key in the examination tab disappears. The examinations may be opened and analyzed by a different user. In order to return to the database window, click in the tool bar. The patient file is loaded in the right part of the database window. The patient file can now be opened and analyzed by a different user in the network. In order to make the patient file available for a new examination for all users, click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US in the tool bar and unload the patient file. 77 7 Acquiring Images Graphical User Interface cSLO Acquisition Window 7.3 Graphical User Interface cSLO Acquisition Window Serial number, feature code, patient name and examination date “ART Mean” ; only displayed if ART Mean is active Menu bar “Memory” Status Live image; only displayed if ART Mean is active “Inj.” Injection Timers cSLO Image (ART Mean Image) Control Elements “Settings” Settings 78 The following settings are displayed in the “Settings” section: © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Graphical User Interface cSLO Acquisition Window ART Mean Parameter Description Eye Examined eye, right eye OD or left eye OS Angle Displays the selected scan angle. Focus Displays the adjusted refraction. Sens. Displays the adjusted detector sensitivity; the value range is between 31 and 107. Power Displays the laser power, e.g. “IR 100%” Mode Displays the selected acquisition mode setting, e.g. “Single” , and the scan pattern. Rate Displays the scan rate of the live image in terms of frames per second, e.g. “8.8/sec” . Res. Displays the scan resolution, e.g. “High Res.” or “High Speed” . With ART, mean images are created automatically, which increases image quality due to noise reduction. In order to change the number of frames, move the slider to adjust the desired number of frames. L CAUTION! Temporal averaging of images may generate blurred or misleading images of pulsating blood vessels and bordering tissue. Temporal averaging is used by the ART Mean, ART Composite and the “Compute Composite” and “Compute Mean” functions. Do not mistake these effects for pathologies. When examining cSLO images the function “Normalize” is activated as default. The function leads to an enlargement of the gray scale and thereby to a higher contrast ratio of the cSLO images. It is not necessary to switch off the function “Normalize” in the clinical routine, but for special research activities. If the function “Normalize” is switched off, it is necessary to switch on the manual image brightness control. Otherwise the effect created by “Normalize” is not visible. Memory Status The following information is displayed in the “Memory” section: Parameter Description Images Number of images saved in the random access memory (RAM). Free Remaining free memory in the RAM in MB. The status bar represents the used random access memory. When the remaining free RAM memory is low, click “Save Images” . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 79 7 Acquiring Images Preparing the Examination The injection timers are only relevant for fluorescein angiography or indocyanine green angiography ( Chapter 7.7 “Injection Timers”, p. 93). Injection Timers The following control elements are available in the acquisition window: Control Elements Button Description Image acquisition modes Click the button and select an acquisition mode. ( Chapter 16 “Terms and Definitions”, p. 195) ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82) The color of the button changes based on the system status. The camera is switched on. The camera is switched off but ready to be switched on at any time. The camera is switched off because the acquisition window has not been opened or memory is full. 7.4 Preparing the Examination 7.4.1 Selecting Acquisition Modes Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The cSLO acquisition window opens. In order to select an acquisition mode, turn the filter wheel either to the filter wheel position “A” or “R” . ▪ If you select “A” the angiography and autofluorescence acquisition modes are available. ▪ If you select “R” the reflection acquisition modes are available. ▪ If you select “P” you cannot acquire images. ▪ If you select “S” you can acquire infrared reflectance images. However, Heidelberg Engineering recommends to acquire images with the filter wheel positions “A” or “R” . 80 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Preparing the Examination L CAUTION The incorrectly selected filter wheel position may lead to a misinterpretation of the examination results. Always turn the filter wheel to the correct position. A wrong diagnostic interpretation may result in wrong therapeutic approaches. Position the filter wheel at the filter wheel position “A” or “R” correctly. If you do not position the filter wheel correctly, a message is displayed in the acquisition window, that an invalid filter wheel position has been selected. Image acquisition is not possible until you position the filter wheel correctly. No acquisition modes are assigned to the filter wheel position “P” . ▪ Turn the filter wheel to the filter wheel position “A” or “R” correctly. If you turn the filter wheel to the filter wheel position “P” a message is displayed in the acquisition window, that the acquisition is currently not possible. You are asked to check the filter wheel position and the mounted objective. Do not position the filter wheel at the filter wheel position “P” . ▪ Turn the filter wheel to the filter wheel position “A” or “R” correctly. ▪ Press either on the touch panel or click in the acquisition window to restart the camera. If you do not position the filter wheel correctly, a message is displayed in the acquisition window, that an invalid filter wheel position has been selected. The camera turns off. Image acquisition is not possible until you position the filter wheel correctly. Dependently on the selected filter wheel position, the following acquisition modes are displayed on the touch panel and in the acquisition window: Filter wheel position A Filter wheel position R IR IR FA RedFree ICGA RF + IR FA + ICGA FA + IR ICGA + IR The acquisition mode “Red Free” on the touch panel corresponds to the acquisition mode “BR” and “Blue Reflectance” in the acquisition window. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 81 7 Acquiring Images Preparing the Examination "FA" is assigned to two acquisition modes. When “FA” is pressed and the injection timer “Inj.” is not activated, the acquisition mode BluePeak blue laser autofluorescence starts. In the acquisition window “BAF” and “Blue Autofluorescence” is displayed. When “FA” is pressed and the injection timer “Inj.” is activated, the fluorescein angiography starts. In the acquisition window, “FA” and “Fluorescein Angiography” are displayed. "ICGA" is assigned to two acquisition modes. When “ICGA” is pressed and the injection timer “Inj.” is not activated, the acquisition mode infrared autofluorescence starts. In the acquisition window “IRAF” and “Infrared Autofluorescence” is displayed. When “ICGA” is pressed and the injection timer “Inj.” is activated, the indocyanine green angiography starts. In the acquisition window, “ICGA” and “ICG Angiography” are displayed. Selecting acquisition modes in the In order to select a single acquisition mode, click acquisition window element section of the cSLO acquisition window. in the control The context menu opens and all available acquisition modes are displayed. Selecting the MultiColor Mode (Option) The acquisition mode “MultiColor” is only available for SPECTRALIS MultiColor devices. Set the filter wheel to “R” . Click window. in the control element section of the cSLO acquisition The context menu opens and all available acquisition modes are displayed . Select “MColor” . The MultiColor mode is switched on. 7.4.2 Selecting a Fixation Light It is possible to use an internal or the external fixation light. In order to examine the macula or the fovea, select the central fixation light. In order to examine the papilla, select the nasal fixation light. In order to examine an area of interest in the lower part of the eye, select one of the upper fixation light positions. In order to examine an area of interest in the upper part of the eye, select one of the lower fixation light positions. In order to examine an area of interest in the nasal part of the eye, select a temporal fixation light or the external fixation light. In order to examine an area of interest in the temporal part of the eye, select a nasal fixation light or the external fixation light. 82 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Preparing the Examination If the patient does not see the internal fixation light, select the external fixation light. If the patient fixates centrally, only the macula and the surrounding 30° field can be acquired. Selecting a Fixation Light on the Click to start HEYEX. Touch Panel Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). In order to start a new examination, click in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). The acquisition window opens. After initializing, touch panel. On the touch panel press turns to turns to on the . . on the touch panel. In order to select a fixation light, press The “Select Target” screen is displayed. The selected fixation light is highlighted blue. In order to change the position of the internal fixation light, press one of the red squares. In order to switch on the external fixation light, press “External” . The internal fixation light is switched off. In order to return to the main menu, press . Select a Fixation Light in the In order to start a new examination, click in the tool bar Acquisition Window ( Chapter 5.7 “Starting a New Examination”, p. 54). The acquisition window opens. In order to select a fixation light, click . In order to change the position of the internal fixation light, click one of the blue points. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 83 7 Acquiring Images Acquiring cSLO Images In order to switch on the external fixation light, deselect all blue points. The internal fixation light is switched off. 7.5 Acquiring cSLO Images Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . Selecting an acquisition mode Turn the filter wheel to the desired filter wheel position. Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) Setting acquisition modalities In order to select “HS” as the scan resolution, press panel and select “High Speed” . on the touch In order to select “HR” as the scan resolution, press on the touch panel and select “High Res.” . In order to select automatic image brightness control, press touch panel and select “Auto” . on the The cSLO image illumination is controlled automatically. In order to select manual image brightness control, press touch panel and select “Manual” . The cSLO image illumination can be controlled via In order to return to the main menu, press 84 on the . . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring cSLO Images In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected due to the left-right recognition of the camera. Select an internal or the external fixation light ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). Ask the patient to look at the fixation light. Aligning the camera Fig. 23: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. Fig. 24: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. If the cSLO image has dark edges patient's eye. , move the camera closer to the If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 85 7 Acquiring Images Acquiring cSLO Images If the cSLO image is too dark on the left side, move the camera to the right. If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus and select either additional “-6 D” range. On the touch panel press or “-12 D” . This allows an adjustment to -24 D. Fig. 25: Acquisition window with ART Mean activated Acquiring images with ART Mean In order to acquire images with ART Mean, press panel. on the touch Images can be acquired before ART Mean reaches the adjusted number of frames. Under certain circumstances, e.g. nystagmus, ART Mean processing might fail. In these cases, acquire images without ART Mean. ART Mean is activated. The small live image is displayed on the left side of the acquisition window. The progression bar increases as the ART Mean counts to the adjusted number of frames. Watch the small live image for an even illumination. 86 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring cSLO Images Fig. 26: Keeping the hands on the device Keep the hands on the device and re-adjust the camera as needed (Fig. 26). On the touch panel press “Acquire” . The image is acquired. On the touch panel press . ART Mean is switched off. In order to examine the left eye, move the camera to the right. In the “Settings” section, “OS” is automatically selected. Re-align the camera and repeat the previous steps. Click “Save images” in the menu bar. If multiple images have been acquired and the acquisition window has not been closed over a longer period of time, click “Save images” to prevent data loss. Acquiring Images without ART In order to acquire images without ART Mean, press “Acquire” on the Mean touch panel. The image is acquired. If images have been acquired without ART Mean, it is possible to compute Mean images afterwards ( Chapter 10.9 “Computing Mean Images”, p. 170). Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired images are saved. The acquisition window closes. The acquired images are displayed in the image viewing window in the form of image thumbnails. Review the images. In order to return to the database window, click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US in the tool bar. 87 7 Acquiring Images Performing an Angiography 7.6 Performing an Angiography L WARNING The incorrect application of contrast agent may cause bad image quality in angiography images. Follow the instructions given on the contrast agent package insert. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. L WARNING Allergic reactions due to unidentified allergies or intolerances. Ask the patient: “Do you have allergies or intolerances?”. Confirm that patient allergies or intolerances are not listed as contraindications in the contrast agent package insert. Follow the instructions given on the contrast agent package insert. Minimize the daily injection amounts. Possible adverse drug reactions to the contrast agent. Acquire several autofluorescence images or infrared images before dye injection. After the dye injection, autofluorescence imaging is not possible. Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected. In order to examine the left eye, move the camera to the right. In the “Settings” section, “OS” is automatically selected. Turn the filter wheel to the filter wheel position “A” . 88 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Performing an Angiography On the touch panel select “FA” as the acquisition mode. The acquisition mode “FA” on the touch panel corresponds to the acquisition mode “BAF” in the acquisition window. "FA" is assigned to two acquisition modes. When “FA” is pressed and the injection timer “Inj.” is not activated, the acquisition mode BluePeak blue laser autofluorescence starts. In the acquisition window “BAF” and “Blue Autofluorescence” is displayed. When “FA” is pressed and the injection timer “Inj.” is activated, the fluorescein angiography starts. In the acquisition window, “FA” and “Fluorescein Angiography” are displayed. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) Setting acquisition modalities In order to select “HS” as the scan resolution, press panel and select “High Speed” . on the touch In order to select “HR” as the scan resolution, press on the touch panel and select “High Res.” . In order to select automatic image brightness control, press on the touch panel and select “Auto” . The cSLO image illumination is controlled automatically. In order to select manual image brightness control, press touch panel and select “Manual” . The cSLO image illumination can be controlled via In order to return to the main menu, press on the . . Select an internal or the external fixation light ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). Ask the patient to look at the fixation light. Aligning the camera Fig. 27: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 89 7 Acquiring Images Performing an Angiography Fig. 28: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. If the cSLO image has dark edges patient's eye. , move the camera closer to the If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. If the cSLO image is too dark on the left side, move the camera to the right. If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus range. On the touch panel press and select either additional “-6 D” or “-12 D” . This allows an adjustment to -24 D. 90 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Performing an Angiography Starting the Angiography Turn the filter wheel to the filter wheel position “A” . On the touch panel select an angiography mode: ▪ “FA” for fluorescein angiography ▪ “ICGA” for indocyanine green angiography ▪ “FA + ICGA” for simultaneous fluorescein angiography and indocyanine green angiography ▪ “FA + IR” for simultaneous fluorescein angiography and infrared imaging ▪ “ICGA + IR” for simultaneous indocyanine green angiography and infrared imaging "FA" is assigned to two acquisition modes. When “FA” is pressed and the injection timer “Inj.” is not activated, the acquisition mode BluePeak blue laser autofluorescence starts. In the acquisition window “BAF” and “Blue Autofluorescence” is displayed. When “FA” is pressed and the injection timer “Inj.” is activated, the fluorescein angiography starts. In the acquisition window, “FA” and “Fluorescein Angiography” are displayed. "ICGA" is assigned to two acquisition modes. When “ICGA” is pressed and the injection timer “Inj.” is not activated, the acquisition mode infrared autofluorescence starts. In the acquisition window “IRAF” and “Infrared Autofluorescence” is displayed. When “ICGA” is pressed and the injection timer “Inj.” is activated, the indocyanine green angiography starts. In the acquisition window, “ICGA” and “ICG Angiography” are displayed. Press “Inj.” on the touch panel and inject the dye immediately. If “FA + ICGA” is selected, inject both dyes simultaneously. In the acquisition window, the injection timers start to count in the “Timers” section. When performing FA + ICGA angiography, the intensity of the indocyanine green dye has a stronger fluorescence than the fluorescence of the fluorescein dye for the first 1 – 2 minutes. In order to get a comparable intensity of fluorescence, press or on the touch panel and set the laser intensity to 50 – 75 % during the early phase. and set the laser intensity to 100 % after 1 – 2 minutes. Press Heidelberg Engineering recommends to acquire a movie of the early phase. The single image acquisition with ART Mean might fail during this phase, as the appearance of the retina changes rapidly. In order to acquire a movie of the early phase of the dye, select “Movie” on the touch panel. Be aware that the image intensity varies quickly during this initial phase. Ask the patient not to move. Re-adjust the camera. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 91 7 Acquiring Images Performing an Angiography Watch the live image. Fig. 29: Keeping the hands on the device Keep the hands on the device and re-adjust the camera as needed (Fig. 29). On the touch panel, press “Acquire” if the fluorescence is visible. A beep is audible during the movie acquisition. In order to stop the acquisition of the movie, press “Stop” on the touch panel. Fig. 30: Acquisition window with ART Mean activated Acquiring images with ART Mean Images can be acquired before ART Mean reaches the adjusted number of frames. Under certain circumstances, e.g. nystagmus, ART Mean processing might fail. In these cases, acquire images without ART Mean. In order to acquire images with ART Mean, press panel. on the touch ART Mean is activated. The small live images are displayed. The gray progression bar increases as the ART Mean counts to 100 frames. Watch the small live images for an even illumination. Keep the hands on the device and re-adjust the camera as needed. 92 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Injection Timers On the touch panel press “Acquire” . The image is acquired. In order to acquire several images, press “Acquire” again. On the touch panel press . ART Mean is switched off. Click “Save images” in the menu bar. If multiple images have been acquired and the acquisition window has not been closed over a longer period of time, click “Save images” to prevent data loss. Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired images and movies are saved. The acquisition window closes. The acquired images are displayed in the image viewing window in the form of image thumbnails. The “HRA Patient Timer Log” window is displayed. In order to return to the database window, click in the tool bar. With the SPECTRALIS device you can acquire images at a very late stage of the angiography. Currently there are only a handful of diagnoses that require very late images after 20 or 30 minutes, such as in cases of suspected optic nerve head edema, suspected tumors and other rare cases. If you want to acquire images of the late phase, wait 20 or more minutes after injecting the fluorescent dye before starting the acquisition. 7.7 Injection Timers Setting Injection Timers Always set the injection timers for fluorescein angiography and indocyanine green angiography when injecting the dye. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). In order to start a new examination, click in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). The acquisition window opens. Turn the filter wheel to the filter wheel position “A” . On the touch panel select an angiography mode, for example “FA +ICGA” . The button “Inj.” blinks. Inject the dye. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 93 7 Acquiring Images Injection Timers On the touch panel press “Inj.” . Fig. 31: Timers section In the acquisition window, the timers for FA and ICGA start to count in the “Timers” section. The information are added to the “HRA patient timer log” . Resetting Injection Timers You can reset the injection timers if problems occur while injecting the dye. Select “Setup \ Reset Injection Timer...”. The message “Do you really want to reset injection timer?” is displayed. Click “OK” to confirm. Click “No” to quit without changes. In order to restart the injection timer, press “Inj.” on the touch panel. Removing Patients from HRA Patient Timer Log You can delete patients from the “HRA Patient Timer Log” window. Fig. 32: "HRA Patient Timer Log" window In the “HRA Patient Timer Log” window right-click a patient (Fig. 32). The context menu opens. Select “Remove Patient” . The patient is removed from the “HRA Patient Timer Log” window. 94 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 7 Acquiring Images High Magnification Images 7.8 High Magnification Images Fig. 33: Images acquired with a scan angle of 30°, 20°, and 15° High magnification images are especially useful when performing an ICGA to locate a feeder vessel. For further information on performing an angiography, please refer to ( Chapter 7.6 “Performing an Angiography”, p. 88). Selecting a higher magnification on the device works like the digital zoom on a digital camera. The smaller the selected angle, the lower the number of pixels used for acquiring the area of interest. The advantage of a 15° scan angle is the higher magnification on the screen, smaller file size and higher frame rates, which are especially suited for movies of the early phase. For best image details, select “High Resolution” as the scan resolution mode when increasing the magnification. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click On the touch panel press either “15°” , “20°” or “30°” . The selected option is highlighted blue. Acquire images. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 95 7 Acquiring Images Acquiring a BluePeak Blue Laser Autofluorescence... 7.9 Acquiring a BluePeak Blue Laser Autofluorescence Image L WARNING A patient that is not optimally prepared for the acquisition of BluePeak blue laser autofluorescence images may cause bad image quality. For best image quality, Heidelberg Engineering recommends to acquire BluePeak blue laser autofluorescence images with dilated pupils. In order to improve the image quality for patients with cataract, dilating the pupils might improve the image quality. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. For BluePeak blue laser autofluorescence imaging, no dye injection is necessary. Always acquire BluePeak blue laser autofluorescence images before injecting dye and performing angiographies. Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched turns to . on. The camera starts and the cSLO image is displayed. Selecting an Acquisition Mode Turn the filter wheel to the wheel position “A” . Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) Setting acquisition modalities In order to select “HS” as the scan resolution, press panel and select “High Speed” . on the touch In order to select “HR” as the scan resolution, press on the touch panel and select “High Res.” . 96 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a BluePeak Blue Laser Autofluorescence... In order to select automatic image brightness control, press on the touch panel and select “Auto” . The cSLO image illumination is controlled automatically. In order to select manual image brightness control, press touch panel and select “Manual” . The cSLO image illumination can be controlled via In order to return to the main menu, press on the . . In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected due to the left-right recognition of the camera. Select an internal or the external fixation light ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). Ask the patient to look at the fixation light. Aligning the camera Fig. 34: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. Fig. 35: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 97 7 Acquiring Images Acquiring a BluePeak Blue Laser Autofluorescence... If the cSLO image has dark edges patient's eye. , move the camera closer to the If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. If the cSLO image is too dark on the left side, move the camera to the right. If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus range. On the touch panel press and select either additional “-6 D” or “-12 D” . This allows an adjustment to -24 D. Inform the patient that the blue light is extremely bright. Select “FA” as the acquisition mode on the touch panel or “BAF” as the acquisition mode in the acquisition window. The cSLO image gets darker. Turn the focus knob and decrease the focus about 1 D. If manual image brightness control has been selected, turn increase sensitivity until the retinal blood vessels are outlined. 98 and © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a BluePeak Blue Laser Autofluorescence... Fig. 36: Acquisition window with ART Mean activated Acquiring images with ART Mean In order to acquire images with ART Mean, press panel. on the touch Images can be acquired before ART Mean reaches the adjusted number of frames. Under certain circumstances, e.g. nystagmus, ART Mean processing might fail. In these cases, acquire images without ART Mean. ART Mean is activated. The small live image is displayed on the left side of the acquisition window. The progression bar increases as the ART Mean counts to the adjusted number of frames. Watch the small live image for an even illumination. Fig. 37: Keeping the hands on the device Keep the hands on the device and re-adjust the camera as needed (Fig. 26). On the touch panel press “Acquire” . The image is acquired. On the touch panel press . ART Mean is switched off. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 99 7 Acquiring Images Acquiring a Movie In order to examine the left eye, move the camera to the right. In the “Settings” section, “OS” is automatically selected. Re-align the camera and repeat the previous steps. Click “Save images” in the menu bar. If multiple images have been acquired and the acquisition window has not been closed over a longer period of time, click “Save images” to prevent data loss. Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired images are saved. The acquisition window closes. The acquired images are displayed in the image viewing window in the form of image thumbnails. Review the images. In order to return to the database window, click 7.10 in the tool bar. Acquiring a Movie Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . Selecting an acquisition mode Turn the filter wheel to the desired filter wheel position. Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) 100 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a Movie In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected due to the left-right recognition of the camera. Select an internal or the external fixation light ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). Ask the patient to look at the fixation light. Aligning the camera Fig. 38: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. Fig. 39: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. If the cSLO image has dark edges patient's eye. , move the camera closer to the If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 101 7 Acquiring Images Acquiring a Movie If the cSLO image is too dark on the left side, move the camera to the right. If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus and select either additional “-6 D” range. On the touch panel press or “-12 D” . This allows an adjustment to -24 D. Fig. 40: Selecting movie settings on the touch panel On the touch panel, press “Movie” twice (Fig. 40). The button “Movie” may be labeled with a different acquisition modality, e.g. “Stereo Pair” or “Composite” . The submenu is displayed. In order to change the duration of the movie, press “10 s” . The submenu is displayed. In order to decrease the duration of the movie, press “-” . The shortest duration of a movie is one second. In order to increase the duration of the movie, press “+” . The longest duration of a movie is 60 seconds. Press “OK” to confirm. The acquisition modality “Movie” is now displayed in the main menu of the touch panel. On the touch panel press “Acquire” . 102 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a Composite Fundus Image Fig. 41: Keeping the hands on the device Keep the hands on the device and re-adjust the camera as needed (Fig. 41). “Acquire” changes to “Stop” . In order to interrupt the movie at any time, press “Stop” . A beep is audible during the movie acquisition. When the movie acquisition is finished, “Stop” turns to “Acquire” . In order to examine the left eye, move the camera to the right. In the section “Settings” , “OS” is automatically selected. Repeat the previous steps. Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired movie is saved. The acquisition window closes. The acquired movie is displayed in the image viewing window in the form of an image thumbnail. Review the movie ( Chapter 8.4.5 “Analyzing Movies”, p. 149). In order to return to the database window, click 7.11 in the tool bar. Acquiring a Composite Fundus Image With the acquisition modality “Composite” images large-field images of the retina are acquired, that are made up of multiple single 30° images. The final image size depends on the total area covered by the acquired single 30° images. As an easier alternative, use the imaging modality “Composite 3x3” ( Chapter 7.12 “Acquiring a Composite 3x3 Fundus Image”, p. 109). Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 103 7 Acquiring Images Acquiring a Composite Fundus Image Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). In order to start a new examination, click in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched turns to . on. The camera starts and the cSLO image is displayed. Selecting an acquisition mode Turn the filter wheel to the desired filter wheel position. Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) Selecting the external fixation light Use the external fixation light to acquire composite images. Do not use the internal fixation lights. On the touch panel press and select “External” . Ask the patient to look at the external fixation light. Setting acquisition modalities In order to select “HS” as the scan resolution, press panel and select “High Speed” . on the touch In order to select “HR” as the scan resolution, press on the touch panel and select “High Res.” . In order to select automatic image brightness control, press touch panel and select “Auto” . on the The cSLO image illumination is controlled automatically. In order to select manual image brightness control, press touch panel and select “Manual” . The cSLO image illumination can be controlled via In order to return to the main menu, press on the . . In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected due to the left-right recognition of the camera. 104 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a Composite Fundus Image Aligning the camera Fig. 42: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. Fig. 43: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. If the cSLO image has dark edges patient's eye. , move the camera closer to the If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. If the cSLO image is too dark on the left side, move the camera to the right. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 105 7 Acquiring Images Acquiring a Composite Fundus Image If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus and select either additional “-6 D” range. On the touch panel press or “-12 D” . This allows an adjustment to -24 D. On the touch panel press “Movie ” twice. The button “Movie” may be labeled with a different acquisition modality, e.g. “Stereo Pair” or “Composite” . The submenu is displayed. Press “Composite” . The acquisition modality “Composite” is now displayed in the main menu of the touch panel. On the touch panel, press . Fig. 44: Composite image displayed on the right side of the acquisition window ART Mean is switched on. The small live image is displayed on the left side of the acquisition window. The composite image is displayed on the right side of the acquisition window (Fig. 44). The composite image will get expanded by pivoting the camera head. 106 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a Composite Fundus Image Position the camera head horizontally centered in the periphery. Pivot the camera head very slowly downwards and upwards. Pivot the camera head very slowly to the centered position. Pivot the camera very slowly to the right. Proceed until the whole area of interest is covered. Fig. 45: Constructed composite image The composite image is constructed (Fig. 45). Check the positioning and the focus of the live image. Re-adjust settings as necessary. When the entire composite image is displayed in the cSLO image, press “Acquire” . The composite image is acquired. On the touch panel press . ART Mean is switched off. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 107 7 Acquiring Images Acquiring a Composite Fundus Image Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired images are saved. The acquisition window closes. The acquired images are displayed in the image viewing window in the form of image thumbnails. Review the images. In order to return to the database window, click 108 in the tool bar. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a Composite 3x3 Fundus Image 7.12 Acquiring a Composite 3x3 Fundus Image “Composite 3x3” is an imaging modality that acquires ART composite fundus images. For further information on ART composite fundus imaging, please refer to ( Chapter 7.11 “Acquiring a Composite Fundus Image”, p. 103) Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). In order to start a new examination, click New Examination”, p. 54). ( Chapter 5.7 “Starting a The acquisition window opens. Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. Move the camera slowly towards the patient’s eye until a correctly-illu- minated cSLO image is displayed. On the touch panel, press “Movie” twice. The button “Movie” may be labeled with a different acquisition modality, e.g. “Stereo Pair” or “Composite” . The submenu is displayed. Press “Composite 3x3” . The acquisition modality “Composite” is now displayed in the main menu of the touch panel. Pivot the camera head so that the patient can see the fixation light in the upper right. On the touch panel press “Acquire” . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 109 7 Acquiring Images Acquiring a Stereo Fundus Image Fig. 46: Sequence of the fixation light The first image is acquired. The fixation light is visible in the upper center. Pivot the camera head and, if necessary, change the position of the camera so that the patient can see the fixation light. On the touch panel press “Acquire” . The second image is acquired. The fixation light is visible at the next position. Repeat image acquisition, until all nine images are acquired. In order to quit the examination, click . The message “Do you want to compute composite?” is displayed. Click “OK” to confirm. The composite image is computed. Review the images ( Chapter 8.4.2 “Analyzing ART Composite Fundus Images”, p. 146). 7.13 Acquiring a Stereo Fundus Image The acquisition modality “Stereo Pair” acquires two images at slightly different angles in order to construct a 3D image that may be reviewed with stereo viewing glasses ( Chapter 8.4.4 “Analyzing Stereo Fundus Images”, p. 147). If the acquisition modality “Stereo Pair” is used for angiographies, practice this modality in the acquisition mode “IR” . Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . 110 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a Stereo Fundus Image Selecting an acquisition mode Turn the filter wheel to the desired filter wheel position. Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) Setting acquisition modalities In order to select “HS” as the scan resolution, press panel and select “High Speed” . on the touch In order to select “HR” as the scan resolution, press on the touch panel and select “High Res.” . In order to select automatic image brightness control, press on the touch panel and select “Auto” . The cSLO image illumination is controlled automatically. In order to select manual image brightness control, press touch panel and select “Manual” . The cSLO image illumination can be controlled via In order to return to the main menu, press on the . . In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected due to the left-right recognition of the camera. Select an internal or the external fixation light ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). Ask the patient to look at the fixation light. Aligning the camera Fig. 47: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 111 7 Acquiring Images Acquiring a Stereo Fundus Image Fig. 48: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. If the cSLO image has dark edges patient's eye. , move the camera closer to the If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. If the cSLO image is too dark on the left side, move the camera to the right. If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus range. On the touch panel press and select either additional “-6 D” or “-12 D” . This allows an adjustment to -24 D. On the touch panel, press “Movie ” twice. The button “Movie” may be labeled with a different acquisition modality, e.g. “Stereo Pair” or “Composite” . The submenu is displayed. 112 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring a Stereo Fundus Image Press “Stereo Pair” . The acquisition modality “Stereo Pair” is now displayed in the main menu of the touch panel. The patient now sees the fixation light to the upper right. In order to acquire the first image from the left side with ART Mean, press on the touch panel. Fig. 49: Acquisition window with ART Mean activated ART Mean is activated. The small live image is displayed on the left side of the acquisition window. The gray progression bar increases as the ART Mean counts to four frames (Fig. 49). Watch the small live image for an even illumination. Keep the hands on the device and re-adjust the camera as needed. On the touch panel press “Acquire” . The left image is acquired. In order to acquire the second image from the right side of the same eye, move the camera slightly to the right of the area of interest with the joystick. On the touch panel press “Acquire” . The right image is acquired. On the touch panel press . ART Mean is switched off. Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired images are saved. The acquisition window closes. The acquired images are displayed in the image viewing window in the form of image thumbnails. Review the images. In order to return to the database window, click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US in the tool bar. 113 7 Acquiring Images Performing a Tomography 7.14 Performing a Tomography Fig. 50: Tomography scans The acquisition modality “Tomography” acquires a continuous series of images while moving the focal plane by 1/8 mm intervals towards the choroid from one image to the other. Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . Selecting an Acquisition Mode Turn the filter wheel to the desired filter wheel position. Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) Setting acquisition modalities In order to select “HS” as the scan resolution, press panel and select “High Speed” . on the touch In order to select “HR” as the scan resolution, press on the touch panel and select “High Res.” . In order to select automatic image brightness control, press touch panel and select “Auto” . on the The cSLO image illumination is controlled automatically. 114 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Performing a Tomography In order to select manual image brightness control, press touch panel and select “Manual” . The cSLO image illumination can be controlled via In order to return to the main menu, press on the . . In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected due to the left-right recognition of the camera. Select an internal or the external fixation light ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). Ask the patient to look at the fixation light. Aligning the camera Fig. 51: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. Fig. 52: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. If the cSLO image has dark edges patient's eye. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US , move the camera closer to the 115 7 Acquiring Images Performing a Tomography If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. If the cSLO image is too dark on the left side, move the camera to the right. If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus range. On the touch panel press and select either additional “-6 D” or “-12 D” . This allows an adjustment to -24 D. Fig. 53: Selecting tomography settings on the touch panel On the touch panel press “Movie ” twice (Fig. 53). The button “Movie” may be labeled with a different acquisition modality, e.g. “Stereo Pair” or “Composite” . The submenu is displayed. Press “Tomography” . In order to set the tomography depth scan range in mm, press “3 mm” . Eight scans are taken per mm of tomography depth. If a range of 3 mm is selected, 24 images will be acquired. The amount of acquired images will vary with the scan depth that is selected. In order to decrease the tomography depth scan range, press “-” . 116 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring MultiColor Images (Option) In order to increase the tomography depth scan range, press “+” . Press “OK” to confirm. In order to return to the main menu, press . The acquisition modality “Tomography” is now displayed in the main menu of the touch panel. Watch the cSLO image. Keep the hands on the device and re-adjust the camera as needed. On the touch panel press “Acquire” . The image is acquired. Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired images are saved. The acquisition window closes. The acquired images are displayed in the image viewing window in the form of image thumbnails. Review the images. In order to return to the database window, click 7.15 in the tool bar. Acquiring MultiColor Images (Option) The following chapter provides an overview of the image acquisition with the SPECTRALIS MultiColor. L CAUTION MultiColor images are not true color images and can appear different from color fundus photos. MultiColor images may not be used as a surrogate of color fundus photos for medical diagnosis. A MultiColor image is composed from reflectance images acquired with three discrete illumination wavelengths (infrared, 815 nm; green, 518 nm; blue, 486 nm). In contrast, a true color image is acquired using a continuous spectrum of light (white light) for illumination. In addition, MultiColor images are acquired with a smaller depth of focus than fundus camera images. Therefore, a MultiColor image does not represent the true color of the examined structure, and significant color differences can exist between MultiColor images and fundus photos. The color differences depend on the examined structure, on the pathology of the examined structure, and on the focus setting. “HR” cannot be selected as the scan resolution when acquiring MultiColor images. Stereo fundus images cannot be selected as the acquisition modality when acquiring MultiColor images. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 117 7 Acquiring Images Acquiring MultiColor Images (Option) 7.15.1 Acquiring MultiColor cSLO Images L CAUTION Artifacts due to reflections from internal optics can be visible in MultiColor images. Do not mistake the artifact for a pathology. Residual reflections from optical surfaces may appear as bright spot artifacts in reflectance images. Central artifacts are more likely for patients with lower fundus signal, e.g. patients with cataract or small, undilated pupils as well as for patients with high myopia. Starting the examination Switch on the device ( Chapter 3.2 “Switching the Device on and off”, p. 28). Click to start HEYEX. Prepare the device ( Chapter 3.3 “Preparing the Device”, p. 29). Prepare the patient ( Chapter 3.4 “Preparing the Patient”, p. 30). Move the camera to the farthest back position. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). in the tool bar ( Chapter 5.7 “Starting a New Examination”, p. 54). In order to start a new examination, click The acquisition window opens. After initializing, touch panel and in the acquisition window. On the touch panel press turns to on the . A high tone is audible when the scanners and the laser are switched on. The camera starts and the cSLO image is displayed. turns to . Selecting an acquisition mode Turn the filter wheel to the filter wheel position “R” . Select a single acquisition mode, for example “IR” on the touch panel or in the acquisition window. For further information on the touch panel, please refer to ( Chapter 6.1 “Grafical User Interface”, p. 70) Setting Acquisition Modalities MultiColor images are always acquired with the “HS” scan resolution. “HR” cannot be selected as the scan resolution when acquiring MultiColor images. In order to select automatic image brightness control, press touch panel and select “Auto” . on the The cSLO image illumination is controlled automatically. In order to select manual image brightness control, press touch panel and select “Manual” . The cSLO image illumination can be controlled via In order to return to the main menu, press 118 on the . . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring MultiColor Images (Option) In order to examine the right eye, move the camera to the left. In the “Settings” section, “OD” is automatically selected due to the left-right recognition of the camera. Select an internal or the external fixation light ( Chapter 7.4.2 “Selecting a Fixation Light”, p. 82). Ask the patient to look at the fixation light. Aligning the camera Fig. 54: Bright spot centered in the cSLO image Move the camera slightly to the left or the right and turn the joystick so that the bright spot is centered in the cSLO image (Fig. 23). Try to avoid pivoting the camera head. Fig. 55: Aligning the camera correctly Move the camera slowly towards the patient’s eye until an evenly-illu- minated cSLO image is displayed . L WARNING! Careless move of the camera might injure the patient's eye. Adjust the camera carefully. Check the distance between lens and the patient’s eye continuously. If the cSLO image has dark edges patient's eye. , move the camera closer to the If the cSLO image is too dark in the upper part, turn the joystick coun- terclockwise to move the camera down. If the cSLO image is too dark in the lower part, turn the joystick clock- wise to move the camera up. If the cSLO image is too dark on the right side, move the camera to the left. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 119 7 Acquiring Images Acquiring MultiColor Images (Option) If the cSLO image is too dark on the left side, move the camera to the right. If the cSLO image is well-illuminated but out of focus , turn the focus knob and adjust the patient's refraction so that the vessels and the cSLO image are sharply displayed. L WARNING! Wrong classification results may be caused by wrong focus setting during image acquisition. Classification results may be wrong if the calculation is based on incorrect refraction values. Wrong classification results may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Always check the correct focus settings. The refraction is displayed as the “Focus” value in the “Settings” section of the acquisition window. If the cSLO image is overexposed and manual image brightness con- trol is selected, turn until the image is illuminated correctly. In special medical cases it might be necessary to increase the focus and select either additional “-6 D” range. On the touch panel press or “-12 D” . This allows an adjustment to -24 D. Activating the MultiColor mode On the touch panel press . The submenu is displayed. Press “MColor” . The MultiColor mode is switched on. The cSLO image is displayed in MultiColor. In the “Settings” section the available laser power “25%” and “100%” are displayed. Fig. 56: Acquisition window with ART Mean activated 120 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Acquiring Images 7 Acquiring MultiColor Images (Option) Acquiring images with ART Mean In order to acquire images with ART Mean, press panel. on the touch Images can be acquired before ART Mean reaches the adjusted number of frames. Under certain circumstances, e.g. nystagmus, ART Mean processing might fail. In these cases, acquire images without ART Mean. ART Mean is activated. The small live image is displayed on the left side of the acquisition window. The progression bar increases as the ART Mean counts to the adjusted number of frames. Watch the small live image for an even illumination. Fig. 57: Keeping the hands on the device Keep the hands on the device and re-adjust the camera as needed (Fig. 26). On the touch panel press “Acquire” . The image is acquired. On the touch panel press . ART Mean is switched off. In order to examine the left eye, move the camera to the right. In the “Settings” section, “OS” is automatically selected. Re-align the camera and repeat the previous steps. Click “Save images” in the menu bar. If multiple images have been acquired and the acquisition window has not been closed over a longer period of time, click “Save images” to prevent data loss. Quitting the examination In order to switch off the camera, press turns to . . In order to quit the examination, click . The acquired images are saved. The acquisition window closes. The acquired images are displayed in the image viewing window in the form of image thumbnails. Review the images. In order to return to the database window, click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US in the tool bar. 121 8 8 Analyzing Images Analyzing Images About this Chapter This chapter provides instruction on how to analyze images acquired with an acquisition modality and includes explanations of the cSLO analysis window and all related functions. This chapter provides information on analyzing OCT images, including an explanation of HEYEX functions, the OCT analysis window, tabs and all related functions. By the end of this chapter, you will feel comfortable analyzing images and using the functions available in the analysis window. Chapter structure: ▪ Preparations ▫ Setting viewing preferences ▫ Adjusting image settings ▫ Adjusting monitor settings ▫ Window options ▫ Accessing image information ▪ Tools ▫ Overlays ▫ Zoom and pan mode ▫ Rotating images ▫ Extracting fundus images ▫ Expanding and extracting images ▪ Image thumbnails ▪ Analyzing cSLO images ▫ The cSLO analysis window and all its functions ▫ Analyzing composites ▫ Analyzing simultaneous fundus images ▫ Analyzing stereo fundus images ▫ Analyzing movies ▪ Analyzing MultiColor images (option) L CAUTION Scaling affected by corrective lenses. Ask the patient to remove glasses or contact lenses before the examination. Always consider that length and area measurement results for patients with intraocular lenses are less accurate. Length and area measurements are less accurate for patients wearing glasses or contact lenses or patients with intraocular lenses. 122 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Preparations 8.1 Preparations 8.1.1 Setting Viewing Preferences Changes made in these settings are applied to all images. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Select “Options \ Preferences” in the menu bar. Fig. 58: "Preferences" dialog box The “Preferences” dialog box is displayed (Fig. 58). “Analysis Center Options” In the “Analysis Center Options” section, you can define the display options, when opening the analysis window. In order to display the most recently used analysis when opening the analysis window, select “Show most recently used analysis” . In order to display a certain tab, open the “Show analysis” drop-down list and select the desired tab. In order to display info bubbles as a guidance through the analysis window, check the “Display info bubbles” box. “Default Image Settings” section In the “Default Image Settings” section select one of the following color display options: ▪ “Black on white” ▪ “White on black” ▪ “Color” © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 123 8 Analyzing Images Preparations In order to display the “Custom Settings” buttons in the “Brightness & Contrast” dialog box, check the “Show "Custom Settings" Buttons” box. For further information on the “Custom Settings” , please refer to ( “Saving changes as custom settings” p. 126). If you want to get asked whether the current settings shall be saved when closing the analysis window, check the “Ask "Save settings" if a scan is closed and the settings window is visible” box. “Data Export Options” section In order to define a standard graphic format for the XML export, open the drop-down list in the “Graphics file format” section and select either “tif” , “jpg” , “bmp” or “raw” . If patient data shall be anonymized, check the “Depersonalize” box. For further information on the “XML Data Export” , please refer to ( Chapter 10.6 “Exporting XML-Files”, p. 168). “Miscellaneous Options” section In the “Miscellaneous Options” section, check the “Show image IDs” box to display the image IDs in the image thumbnail captions. In order to sort thumbnails in chronological order, check the “Sort by examination time” box. If this box is not checked, images will be ordered by the examined structure and image ID. Click “OK” to confirm or “Cancel” to quit without changes. 8.1.2 Adjusting Image Settings L WARNING Carelessly adjusted image brightness and image contrast might lead to bad image quality. Carefully adjust the image brightness and the image contrast by means of the settings offered in the “Brightness & Contrast” dialog box. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Changes made in these settings are only taken over for the opened image. If you change the brightness and the contrast of an image and do not close the “Brightness & Contrast” dialog box while browsing through the images of an examination tab, your changes will automatically be saved. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. 124 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Preparations Select “Image \ Brightness & Contrast” in the menu bar or click the tool bar. in The “Brightness & Contrast” dialog box is displayed. Changing contrast and brightness In order to change contrast and brightness of the cSLO image, dragof the cSLO Image and-drop the point in the “HRA” section to the desired position. The contrast and the brightness of the image changes. As an alternative, press and hold on the keyboard and the left mouse button and move the mouse over the image. The contrast and the brightness of the image changes. Changing the color of the cSLO In order to change the color of the cSLO image, select one of the folImage lowing options in the “Color Table” section: ▪ “Black on White” ▪ “White on Black” ▪ “Color” The displayed color is no true color. Images are only color-coded. For devices with MultiColor option: The color of the MultiColor cSLO image cannot be changed. If you want to change the color of the MultiColor cSLO image, the color balance presets can be modified. For further information, please refer to ( Chapter 8.5.3 “Color Balance Presets”, p. 153). Sharpen the cSLO Image In order to sharpen the image, select one of the following options in the “Sharpen” section: ▪ ▪ ▪ ▪ “None” “Low” “Medium” “High” Depending on the selected option, the image is sharpened. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 125 8 Analyzing Images Preparations Modifying the noise reduction of In order to modify the noise reduction, select one of the following the cSLO image options in the “Noise Reduction” section: ▪ ▪ ▪ ▪ “None” “Low” “Medium” “High” Depending on the selected option, the level of noise reduction increases. Saving changes as custom settings The custom settings buttons are only displayed, if the option has been selected in the “Preferences” dialog box ( Chapter 8.1.1 “Setting Viewing Preferences”, p. 123). In order to save the adjustments as custom settings, click “Save Custom Settings” . The adjustments are saved and can be applied on any cSLO image you are analyzing. If you analyze OCT images, only the settings for the cSLO image can be saved as custom settings. In order to apply the custom settings to a different image, select either “Menu \ Apply Custom Settings” in the menu bar or press the keyboard. In order to reset the custom settings, click + on in the toolbar. The “Brightness & Contrast” dialog box is displayed. Click “Reset” . Click “OK” to confirm. 8.1.3 Adjusting Monitor Settings L WARNING A monitor that is not optimally adjusted may produce images lacking in brightness and/or sharpness. Adjust the monitor by means of the “Monitor Setup Tool” . Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. 126 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Preparations Select “Options \ Monitor Setup Tool” in the menu bar. Fig. 59: "Monitor Setup Tool" dialog box The “Monitor Setup Tool” dialog box is displayed (Fig. 59). Adjust the monitor brightness and contrast so that: ▪ At least stripes 2 and 8 are visible over the entire width. ▪ The test image is close to black on the left side. ▪ The test image is close to white on the right side. In order to close the monitor setup tool, click . Check the displayed image and repeat the adjustment if necessary. 8.1.4 Window Options Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click multiple image thumbnails. The analysis windows are displayed. Cascading windows In order to cascade the multiple analysis windows, select “Window \ Cascade” in the menu bar. The analysis windows are displayed in a cascade. Tiling windows In order to display the analysis windows as tiles, select “Window \ Tile” in the menu bar. The analysis windows are displayed next to each other as tiles. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 127 8 Analyzing Images Preparations In order to close all windows, select “Window \ Close all” in the menu bar. Full-screen mode In order to review cSLO images in full-screen, click “Maximize” in the upper right part of the analysis window. Depending on your selected zoom factor, the image is displayed zoomed. At the right side and on the bottom of the analysis window, scroll bars are displayed. If you have selected “Auto” as the zoom factor, the image is zoomed so that the width of the analysis window is used in the most effective way. 8.1.5 Accessing Image Information Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Select “Image \ Image Information” in the menu bar or click tool bar. in the Fig. 60: "Information" dialog box The “Information” dialog box opens (Fig. 60). Check the image information. The information may not be useful for the clinical routine, but for special research activities. 128 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Tools Click or in the tool bar to quickly switch between the images of the same examination tab. The “Information” dialog box remains opened. The displayed information is constantly updated. Copying Information into a spread- In order to copy the provided information into a spreadsheet software, sheet software press and hold on the keyboard and click the desired rows. Release and press + on the keyboard. Open a spreadsheet software and paste the information. Click “OK” . The dialog box is closed. 8.2 Tools 8.2.1 Overlays In order to quickly add overlays, the following shortcuts are available: Overlay Shortcut Draw Region + Draw Arrow + Enter Text + Insert ETDRS-Grid + Measure Distance + Measure Circle + In order to show or hide all overlays, select “Overlay \ Show/Hide Overlays” in the menu bar. 8.2.1.1 Measuring Distances Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US . 129 8 Analyzing Images Tools Fig. 61: Measuring distances Click where the start point of the measurement tool shall be positioned. Click where the end point of the measurement tool shall be positioned. The value of the measured distance is displayed in mm. In order to change the position of the overlay, drag-and-drop it to the desired position. In order to change the position of the labeling, drag-and-drop it to the desired position. 8.2.1.2 Region Overlay Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Click 130 . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Tools Fig. 62: Drawing regions In order to draw a region freehand, click the start point of the region and hold the left mouse button. Draw a region. The region is closed automatically when the end point is close to the start point. As an alternative, click points in the image to define a spline. The region is closed automatically when the end point is close to the start point. If the region shall not be closed, press the right mouse button. Adding further points to the region If a region is not closed and you want to add further points to the region, right-click the region. The context menu opens. Select “Add Point(s)” and draw the region either freehand or click points to re-define the spline. Closing the region In order to close the region, right-click the line of the region. The context menu opens. Select “Close Region” . As an alternative, double-click any point of the region. The “Region Properties” dialog box is displayed. Check the “Close Region / Create Area” box and click “OK” to con- firm. The region is closed. In order to change the position of the labeling, drag-and-drop it to the desired position. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 131 8 Analyzing Images Tools 8.2.1.3 Text Overlay Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Click . Click the area where the text will be added. The “Text Properties” dialog box is displayed. Enter text into the “Text” field. Click “OK” to confirm. Fig. 63: Text overlay The “Text Properties” dialog box closes. The text is displayed. In order to change the position of the overlay, drag-and-drop it to the desired position. 8.2.1.4 Arrow Overlay Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Click 132 . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 8 Analyzing Images Tools Fig. 64: Arrow overlay Click where the start point of the arrow shall be positioned. Click where the arrow head shall be positioned. In order to change the position of the overlay, drag-and-drop it to the desired position. 8.2.1.5 Measuring Diameters Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US . 133 8 Analyzing Images Tools Fig. 65: Measuring diameters Click where the center of the circle shall be positioned. Click where the arc of the circle shall be positioned. If the circle diameter is less than 1 cm, the measured value is displayed in μm. If the circle diameter is greater or equal to 1 cm, the measured value is displayed in mm. In order to change the position of the overlay, drag-and-drop it to the desired position. In order to change the position of the labeling, drag-and-drop it to the desired position. 8.2.1.6 Setting an ETDRS Grid The ETDRS (Early Treatment Diabetic Retinopathy Study) grid has four concentric circles with radii of 360, 600, 1,800 and 3,600 microns with two bisecting lines. ETDRS was a multicenter, randomized clinical trial designed to evaluate argon laser photocoagulation and acetylsalicylic acid treatment in the management of patients with nonproliferative or early proliferative diabetic retinopathy. A total of 3,711 patients were recruited to be followed for a minimum of four years to provide longterm information on the risks and benefits of the treatments under study. For further information, please refer to http://clinicaltrials.gov/ct2/show/NCT00000151. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Click 134 . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Tools Fig. 66: ETDRS grid Click where the center of the ETDRS grid shall be positioned. The ETDRS grid is displayed. In order to change the position of the overlay, click the center of the ETDRS grid and drag-and-drop it to the desired position. In order to rotate the overlay, click one of the circles and move the mouse. 8.2.1.7 Changing Overlay Properties In order to change the overlay properties, right-click the desired overlay. The context menu opens. Select “Overlay Properties” . Distance measurement tool The “Distance Properties” dialog box is displayed. In order to change the color of the overlay, click tion. in the “Color” sec- The “Color” dialog box is displayed. Select a color and click “OK” to confirm. The “Color” dialog box closes. In order to change the font type, click in the “Font” section. The “Font” dialog box is displayed. Select a font type, a typeface and a font size. Click “OK” to confirm. The “Font” dialog box closes. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 135 8 Analyzing Images Tools Region overlays The “Region Properties” dialog box is displayed. In order to change the color of the overlay, click tion. in the “Color” sec- The “Color” dialog box is displayed. Select a color and click “OK” to confirm. In order to change the line width of the overlay, enter a value in the “Thickness” field. If regions shall not be closed automatically, uncheck the “Close Region / Create area” box. In order to fill the region with color, check the “Fill area with color” box. In order to display the area size in mm2, check the “Display area size in mm² ” box. In order to display the mean gray value, check the “Display mean gray value” box. For devices with MultiColor option: When displaying the mean gray value in MultiColor images, the values for the infrared, green and blue channel are given. Please note that in MultiColor images the measured gray values do not relate to the displayed gray values as the MultiColor images are either brightened or darkened. In order to change the color of the labeling, right-click the text. The context menu opens. Select “Overlay Properties” . The “Text Properties” dialog box is displayed. In order to change the color of the text, click in the “Color” section. The “Color” dialog box is displayed. Select a color and click “OK” to confirm. In order to change font type, click in the “Font” section. The “Font” dialog box is displayed. Select a font type, a typeface and a font size and click “OK” to con- firm. In order to display the text on a transparent background, check the “Transparent” box. Text overlays The “Text Properties” dialog box is displayed. In order to change the color of the text, click in the “Color” section. The “Color” dialog box is displayed. Select a color and click “OK” to confirm. In order to change font type, click in the “Font” section. The “Font” dialog box is displayed. Select a font type, a typeface and a font size and click “OK” to con- firm. 136 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Tools In order to display the text on a transparent background, check the “Transparent” box. Arrow overlays The “Arrow Properties” dialog box is displayed. In order to change the color of the overlay, click tion. in the “Color” sec- In order to change the type of the arrow, open the “Type” drop-down list and select a type of arrow. In order to change the line width of the overlay, enter a value in the “Thickness” field. Diameter overlays The “Circle Properties” dialog box is displayed. In order to change the color of the overlay, click tion. in the “Color” sec- The “Color” dialog box is displayed. Select a color and click “OK” to confirm. The “Color” dialog box closes. In order to change font type, click in the “Font” section. The “Font” dialog box is displayed. Select a font type, a typeface and a font size. Click “OK” to confirm. The “Font” dialog box closes. ETDRS grid The “ETDRS Properties” dialog box is displayed. In order to change the color of the overlay, click tion. in the “Color” sec- Select a color and click “OK” to confirm. The “Color” dialog box closes. In order to change font type, click in the “Font” section. The “Font” dialog box is displayed. Select a font type, a typeface and a font size. Click “OK” to confirm. The “Font” dialog box closes. Confirming your changes In order to confirm your changes, click “OK” . 8.2.1.8 Removing Overlays In order to remove a single overlay, right-click the desired overlay. The context menu opens. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 137 8 Analyzing Images Tools Select “Remove Overlay” . The overlay is removed. In order to remove all overlays, select “Overlay \ Remove all Overlays” in the menu bar. 8.2.1.9 Copying Overlays 8.2.1.9.1 Copying Overlays from one to another cSLO Image Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Select and draw an overlay. In order to copy the overlay to another image, select “Overlay \ Copy Overlays” in the menu bar. A message is displayed saying that the overlays have been copied to the clipboard and that you can now open another image and paste the overlays. Select the other image in the image viewing window. The analysis window opens. Select “Overlay \ Paste Overlay” in the menu bar. Fig. 67: Automatically aligned images The “Import Overlays” window is displayed. 138 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Tools If the images are automatically aligned and the reference points match well, click “OK” . If the images are not automatically aligned, double-click each image and set at least three reference points, e.g. blood vessels. Click “OK” to confirm. The overlay is copied to the other image. In order to close the analysis window, click . 8.2.1.9.2 Copying Overlays from one to another Stereo Fundus Image Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click a stereo fundus image thumbnail. The analysis window opens. Select and draw an overlay in the stereo fundus image. Select “Overlay \ Copy Overlays” in the menu bar. The “Please Select an Image” dialog box is displayed. Select the side “Left” or “Right” that contains the overlay you want to copy. A message is displayed saying that the overlays have been copied to the clipboard and that you can now open another image and paste the overlays. Select the other image in the image viewing window. The analysis window opens. Select “Overlay \ Paste Overlay” in the menu bar. The “Import Overlays” window is displayed. The overlay is automatically displayed in both images. Click “OK” to confirm. The overlay is copied to the other image. In order to close the analysis window, click 8.2.2 . Zoom and Pan Mode Selecting a zoom factor Click to start HEYEX. Select a patient file ( Chapter 5.5.1 “Selecting a Patient File”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 139 8 Analyzing Images Tools Fig. 68: Selecting the zoom factor from the drop-down list In order to set a zoom factor, open the drop-down list and select one of the following options (Fig. 68): ▪ ▪ ▪ ▪ ▪ ▪ “Auto” “50%” “100%” “200%” “400%” “800%” The image is scaled in accordance with the zoom factor. If “Auto” is selected, the image is scaled to fit the window. If the size of the analysis window is changed, the image is re-scaled. If a fixed zoom factor is set, for example “100%” , changing the size of the window will change the image frame and not the scale. When the image is not shown in full size, use the scroll bars or the pan mode to view the full image. The pan mode is only active if an image is zoomed in. Unsmoothed Pixels When an image is zoomed in, the pixel values are interpolated. A smooth image is created. The “Unsmoothed Pixels” function can be used to remove the interpolation and display the originally acquired pixels as blocks. In order to unsmooth the cSLO image, select “HRA Image \ Unsmoothed Pixels” in the menu bar. The cSLO image is displayed with originally acquired pixels. Selecting a Zoom Function The following zoom functions are available: Button Description Pan Mode: Move the enlarged image per dragand-drop. Zoom Mode: Press and hold the left mouse button and move the mouse to mark a zoom area. Press and hold the mouse wheel and move the mouse to zoom in or out. 140 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 8 Analyzing Images Tools Button Description Zoom in: Zoom factor is doubled. Zoom out: Zoom factor is halved. You can also use the zoom functions by using the keyboard and the mouse: Hover with the mouse cursor over the image. Press and hold on the keyboard. Turn the mouse wheel. The image zooms in and out. Release . The zoom factor is set. In order to pan the image, press and hold on the keyboard. Press and hold the left mouse button and move the mouse to the left and to the right. Release and the left mouse button. The image is panned. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 141 8 Analyzing Images Tools 8.2.3 Rotating Images Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. Fig. 69: Normal image orientation In order to rotate the image, click and rotated image orientation in the tool bar. The image is rotated. The message “View Rotated 180°” is displayed in the upper left corner of the analysis window . The rotated view cannot be printed. The rotated view is not saved after closing the analysis window. In order to display the image with the normal orientation, click tool bar. 8.2.4 in the Expanding and Extracting Images and Movies Expanding images In order to view the single line scans of a movie, you have to expand the desired movie. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Right-click an image thumbnail. The context menu opens. Select “Expand” . The individual images of the expanded scan are displayed in the image viewing window. In the examination tab is displayed which is used for returning to the image viewing window. 142 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 HRA Image Thumbnails Extracting a single image In order to extract a line scan from a volume scan or star scan as a single image, right-click the desired expanded image thumbnail. The context menu opens. Select “Extract Single Image”. In order to return to the image viewing window, click . The extracted single image is displayed in the form of an image thumbnail in the image viewing window. 8.3 HRA Image Thumbnails cSLO image Movie Simultaneous image Simultaneous movie Composite image MultiColor image (option) Stereo image © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 143 8 Analyzing Images Analyzing cSLO Images 8.4 Analyzing cSLO Images 8.4.1 Graphical User Interface Analysis Window Patient name, date of birth, examination date, examined eye, acquisition mode, and C-Curve value Zoom and pan mode Menu bar Overlays Tool bar Image information cSLO Image Tool bar Zoom and pan mode 144 ( Chapter 8.4.1.1 “Tool Bar”, p. 145) ( Chapter 8.2.2 “Zoom and Pan Mode”, p. 139) © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Analyzing cSLO Images Overlays 8.4.1.1 ( Chapter 8.2.1 “Overlays”, p. 129) Tool Bar Icon Description Brightness & Contrast ( Chapter 8.1.2 “Adjusting Image Settings”, p. 124) Image information ( Chapter 8.1.5 “Accessing Image Information”, p. 128) Export as picture ( Chapter 10.5 “Exporting Pictures”, p. 167) Print report Previous image in examination tab Next image in examination tab Add to lightbox ( Chapter 5.14 “Using the Lightbox”, p. 67) Delete image Previous image in progression Next image in progression © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 145 8 Analyzing Images Analyzing cSLO Images 8.4.2 Analyzing ART Composite Fundus Images Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click a composite image thumbnail. Fig. 70: Analysis window The analysis window opens (Fig. 70). All analysis functions and overlay tools, as in the cSLO image analysis, are available ( Chapter 8.4.1 “Graphical User Interface Analysis Window”, p. 144). Measured distances, regions and diameters are given in pixels instead of mm. In order to close the analysis window, click 8.4.3 . Analyzing Simultaneous Fundus Images Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click 146 to open the image viewing window. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Analyzing cSLO Images Double-click a simultaneous fundus image thumbnail. Fig. 71: Analysis window The analysis window opens (Fig. 71). All analysis functions and overlay tools, as in the cSLO image analysis, are available ( Chapter 8.4.1 “Graphical User Interface Analysis Window”, p. 144). Splitting simultaneous images In order to split simultaneous images, click in the tool bar. The image is displayed in the lightbox. Right-click the image thumbnail. The context menu opens. Click “Split simult. images” . Two single images are displayed in the lightbox. All lightbox functions are available ( Chapter 5.14 “Using the Lightbox”, p. 67). In order to close the analysis window, click 8.4.4 . Analyzing Stereo Fundus Images Stereo viewing glasses and/or red-cyan 3D glasses are required in order to view the 3D effect on the stereo fundus images. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US to open the image viewing window. 147 8 Analyzing Images Analyzing cSLO Images Double-click a stereo fundus image thumbnail. Fig. 72: Analysis window The analysis window opens (Fig. 72). All analysis functions and overlay tools, as in the cSLO image analysis, are available ( Chapter 8.4.1 “Graphical User Interface Analysis Window”, p. 144). 3D view with stereo viewing glasses Fig. 73: Example for stereo viewing glasses Put the stereo viewing glasses in front of the monitor (Fig. 73). Adjust the angle of view so that the images fill the field of view. In order to get a 3D view, adjust the prism of the stereo viewing glasses. 3D view with red-cyan stereo mode Fig. 74: Example for red-cyan 3D glasses Put on the red-cyan 3D glasses (Fig. 74). Click and enable the red/cyan stereo mode. In order to find the best adjustment for the 3D view, adjust the slider next to “Stereo Base” to the desired position (Fig. 72). In order to switch off the red/cyan stereo mode, click In order to close the analysis window, click 148 . . © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Analyzing cSLO Images 8.4.5 Analyzing Movies Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click a movie thumbnail. Fig. 75: Analysis window The analysis window opens (Fig. 75). All analysis functions and overlay tools, as in the cSLO image analysis, are available ( Chapter 8.4.1 “Graphical User Interface Analysis Window”, p. 144). Overlays can only be added to movies with corrected eye movement. The following movie control elements are available: Symbol Description Continuous play Stop Go to the first image Go to the previous image Play © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 149 8 Analyzing Images Analyzing MultiColor Images (Option) Symbol Description Go to the next image Go to the last image Set speed of movie Export as .AVI Correct eye movements Display eye movements In order to change the speed of the movie, adjust the slider to one of the following speeds: ▪ ▪ ▪ ▪ ▪ 20 frames per second 10 frames per second 5 frames per second 1 frame per second Play in real time Correcting the eye movements In order to correct the eye movements, click . The alignment will cause slight shift to the image borders, which indicate the acquired eye movement. Displaying eye movements In order to display the eye movements, first click movements and then click . to correct the eye The “Shift: X/Y Display” window is displayed. The upper graph represents the shift in x-direction for all images of the movie. The lower graph represents the shift in y-direction for all images of the movie. Click “Display Distance / Angle” . The “Shift: Distance / Angle” window is displayed. The shift is defined with respect to the position of the eye at the beginning of the movie. The upper graph represents the distance in pixels for all the images of the movie. The lower graph represents the angle in degree for all the images of the movie. 8.5 Analyzing MultiColor Images (Option) All analysis functions and overlay tools as in the cSLO image analysis are available when analyzing MultiColor images. All analysis functions and overlay tools, as in the cSLO image analysis, are available. For further information on analyzing cSLO images, please refer to ( Chapter 8.4.1 “Graphical User Interface Analysis Window”, p. 144). 150 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Analyzing MultiColor Images (Option) 8.5.1 Showing Selective Color Laser Images Selective Color Laser Images in the Click to start HEYEX. cSLO Analysis Window Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click a MultiColor cSLO image thumbnail. The cSLO analysis window opens. The MultiColor image and the three selective color laser images are displayed. In order to hide the selective color laser images, click © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US . 151 8 Analyzing Images Analyzing MultiColor Images (Option) 8.5.2 Graphical User Interface Patient name and examination date Zoom and pan mode Menu bar Overlays Tool bar Color balance presets MultiColor image Green reflectance image MultiColor image Blue reflectance image Infrared reflectance image Image information Tool Bar 152 ( Chapter 8.4.1.1 “Tool Bar”, p. 145) © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Analyzing Images 8 Analyzing MultiColor Images (Option) Zoom and Pan Mode Overlays Color Balance Presets 8.5.3 ( Chapter 8.2.2 “Zoom and Pan Mode”, p. 139) ( Chapter 8.2.1 “Overlays”, p. 129) ( Chapter 8.5.3 “Color Balance Presets”, p. 153) Color Balance Presets L WARNING Carelessly adjusted color balance settings might lead to bad image quality. Carefully adjust the settings offered in the “Color Balance” section when selecting “User-Defined” from the drop-down list. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click a MultiColor image thumbnail. The analysis window opens. Open the “Color Balance” drop-down list and select one of the fol- lowing options: ▪ “Standard” ▪ “Green-Blue-Enhanced” ▪ “User-Defined” The “User-Defined” image © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US can be adjusted to any color coding. 153 8 Analyzing Images Analyzing MultiColor Images (Option) Click in the tool bar. The “Brightness&Contrast” dialog box is displayed. In the “Color Balance” section adjust the sliders “Red” , “Green” and “Blue” to the desired position. Changes made in these sections are automatically assigned to the “User-Defined” preset. Click “OK” to confirm. Changes made in these settings are only taken over for the opened image. In order to save the adjustments as custom settings, click “Save as Custom Settings” . “Save as Custom Settings” is only displayed, if the option in the “Preferences” dialog box has been activated ( Chapter 8.1.1 “Setting Viewing Preferences”, p. 123). The adjustments are saved and can be applied on any image you are analyzing. For further information, please refer to ( Chapter 8.1.2 “Adjusting Image Settings”, p. 124). Click “OK” to confirm. 8.5.4 Analyzing Movies Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). 154 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 8 Analyzing Images Analyzing MultiColor Images (Option) Click to open the image viewing window. Double-click a movie thumbnail. The analysis window opens. The MultiColor image and the three selective color laser images are displayed. In order to view the movie of a certain color laser image, click the image. For further information on the movie control elements, eye movement correction, and all functions offered by the analysis window, please refer to ( Chapter 8.4.5 “Analyzing Movies”, p. 149). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 155 9 Reports Customizing Reports 9 Reports About this Chapter This chapter provides information on customizing and printing different reports. By the end of this chapter, you will feel comfortable reviewing and customizing all the different reports available for the SPECTRALIS. Chapter structure: ▪ ▪ ▪ ▪ 9.1 Customizing reports Exporting reports as image files Printing reports Report types Customizing Reports The logo and the address of the medical practice or the clinic can be added to reports as .BMP or .TXT files. Click to start HEYEX. Select a patient file. Click to open the image viewing window. Select “Setup \ Customize Printout” in the menu bar. The “Customize Header and Footer for Printouts” dialog box is displayed. Customizing the Header In order to customize the header of printouts within a portrait orientation, click “Browse” in the “Header \ Portrait” section. In order to customize the header of printouts within a landscape orien- tation, click “Browse” in the “Header \ Landscape” section. The “Open” dialog box is displayed. Select a .BMP or a .TXT file. 156 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Reports 9 Printing Reports Click “Open” to confirm. In order to change the alignment of the logo, open the “Alignment” drop-down list and select one of the following options: ▪ ▪ ▪ ▪ “Left” “Center” “Right” “Fit” , only recommended for .BMP-files If the option “Fit” is selected, the logo will be displayed as large as possible, preserving the original ratio. In order to set the size of the logo, enter the size in mm in the “Width [mm]” and “Height [mm]” section. Use this function only when using .BMP files. Customizing the Footer In order to customize the footer of printouts within a portrait orientation, click “Browse” in the section “Footer \ Portrait” and repeat the previously described steps. In order to customize the footer of printouts within a landscape orienta- tion, click “Browse” in the section “Footer \ Landscape” and repeat the previously described steps. Click “OK” to confirm. The header and the footer of reports are customized. Print a report to review the header and the footer. 9.2 Printing Reports Printing from the image viewing Click to start HEYEX. window Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Right-click an image thumbnail. The context menu opens. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 157 9 Reports Printing Reports Select “Print” . Fig. 76: "Print Spectralis Report" dialog box The “Print Spectralis Report” dialog box is displayed (Fig. 76). Open the “Language” drop-down list and select either “Deutsch” or “English” as the language. In the “Printer” section open the drop-down list and select a printer. In the “Reports” section select a report. In the “Copies” section type in the number of copies of the report. In the “Options” section select which of the following options should be printed on the report: Option Description “Display Page Header” Displays the title of the report and the customized header. “Display Patient Information” Displays the patient name, the patient ID, the date of birth and the sex. “Display Diagnosis and Comment” Displays the diagnosis and comments. “Provide Space for Notes” Displays the box for written notes. “Add Page Margins” Displays additional page margins. “Automatic Page Orientation” The page orientation is automatically set to landscape or portrait depending on the report type. Before printing the report, always click “Preview” in order to confirm that the correct report type has been selected and all relevant diagnostic information is displayed. A preview of the report is displayed. In order to close the preview, click “Back” or . In order to start printing, click “Print” . 158 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Reports 9 Printing Reports Printing from the analysis window Double-click an image thumbnail. The analysis window opens. Select “Image \ Print”. The “Print Spectralis Report” dialog box is displayed (Fig. 76). Select a language, a printer, a report, the number of copies and the printing options. In order to start printing, click “Print” . Printing from the lightbox Add images to the lightbox ( Chapter 5.14 “Using the Lightbox”, p. 67). Select and then right-click the images to be printed. The context menu opens. Select “Print” . The “Print Spectralis Report” dialog box is displayed (Fig. 76). Select a language, a printer, a report, the number of copies and the printing options. If you want to generate a report with image thumbnails from different examination tabs, the diagnosis will not be displayed on the report. In order to start printing, click “Print” . Printing OU reports In order to generate an OU report, add one image of the left eye and one image of the right eye to the light box ( Chapter 5.14 “Using the Lightbox”, p. 67). Press and hold nails. Release on the keyboard and click the two image thumb- and right-click a selected image thumbnail. The context menu opens. Select “Print” . The “Print Spectralis Report” dialog box is displayed (Fig. 76). Select a language, a printer, a report, the number of copies and the printing options. In order to start printing, click “Print” . Customizing reports If you want to customize the layout of your report, please refer to ( Chapter 9.1 “Customizing Reports”, p. 156). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 159 9 Reports Exporting Reports as Image Files 9.3 Exporting Reports as Image Files Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Right-click an image thumbnail. The context menu opens. Select “Print” . The “Print Spectralis Report” dialog box is displayed. Click “Preview” . A preview of the report is displayed. Click “Save as” . The “Save as” dialog box is displayed. Select a storage location and a file name. Open the drop-down list and select either .JPG or .BMP as the file type. Click “Save” to confirm. 160 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Reports 9 MultiColor Reports (Option) 9.4 “Overview Report” On the “Overview Report” up to 16 images per page may be displayed. Patient data, diagnosis and comments Space for notes cSLO Image with image information 9.5 MultiColor Reports (Option) All reports described in this manual are also available for the SPECTRALIS MultiColor. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 161 9 Reports MultiColor Reports (Option) 9.5.1 162 MultiColor Selective Color Laser Images Report Type Notes Patient Data, Diagnosis and Comments Examined Eye MultiColor image Infrared reflectance image Green reflectance image Blue reflectance image © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Processing Data 10 Exchanging OD/OS 10 Processing Data About this Chapter This chapter provides information on processing acquired and/or analyzed images and movies. By the end of this chapter, you should be able to use all the functions of HEYEX to process data. Chapter structure: ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ 10.1 Exporting individual examinations as E2E files Exporting multiple patient files as E2E files Importing E2E files Exporting pictures Exporting XML-files Exporting movies Computing mean images Computing composite images Exchanging OD/OS Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Right-click an image thumbnail, e.g. in the left part of the image viewing window. The context menu opens. Select “Exchange OD/OS” . The image is displayed in the right part of the image viewing window. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 163 10 Processing Data Exporting Multiple Patient Files as E2E Files 10.2 Exporting individual Examinations as E2E Files You can transfer individual examinations to other HEYEX databases. Therefore, the patient files must be exported as E2E files before you can import them into another database. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. If you want to export a single examination as an E2E file, right-click the desired image thumbnail. If you want to export multiple examinations as E2E files, press and hold Release on the keyboard and click the desired image thumbnails. and right-click a selected image thumbnail. The context menu opens. Select “Export \ as E2E”. The “Export Options” dialog box is displayed. Click “Browse” to select an export destination. Enter or change patient data in the “Patient” section. In order to anonymize patient data, check the “Anonymize data” box. The “Last Name” and “First Name” section become active. Select how you would like to anonymize the patient's data: ▪ If you want to change the patient's last name into a fixed pseudonym, check the “Fixed” box in the “Last Name” section and enter a naming in the field next to the box. ▪ If you want to change the patient's last name into the patient ID, check the “Patient-ID” box in the “Last Name” section. ▪ If you want to change the patient's first name into the patient ID, check the “Patient-ID” box in the “First Name” section. ▪ If you want to use only the first letter of the patient's first name, check the “First letter only” box in the “First Name” section. If you want to include the institute's name into the exported E2E files, enter the institute's name in the “Location” section. Click “OK” to confirm. A message is displayed saying that the selected E2E files are being exported. 10.3 Exporting Multiple Patient Files as E2E Files The batch export enables the export of multiple images from one or multiple patient files at a time. Click to start HEYEX. Select one or multiple patient files ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). 164 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Processing Data 10 Importing E2E Files In the right part of the database window right-click a patient file. Although only one patient file has been selected, all patient files in the right part of the database window will be exported. The context menu opens. Select “HRA/Spectralis Batch \ Export E2E”. If a patient file contains E2E files from different devices, the E2E files must be exported separately with different batch processes. For example, SPECTRALIS E2E files are exported with the “HRA/ SPECTRALIS Batch” , HEP E2E files are exported with the “HEP Batch” . The different batch processes are offered in the context menu. The “Export Options” dialog box opens. Click “Browse” to select an export destination. In order to anonymize patient data, check the “Anonymize data” box. In order to anonymize patient data, check the “Anonymize data” box. The “Last Name” and “First Name” section become active. Select how you would like to anonymize the patient's data: ▪ If you want to change the patient's last name into a fixed pseudonym, check the “Fixed” box in the “Last Name” section and enter a naming in the field next to the box. ▪ If you want to change the patient's last name into the patient ID, check the “Patient-ID” box in the “Last Name” section. ▪ If you want to change the patient's first name into the patient ID, check the “Patient-ID” box in the “First Name” section. ▪ If you want to use only the first letter of the patient's first name, check the “First letter only” box in the “First Name” section. Click “OK” to confirm. The “Exporting E2E Files” dialog box is displayed. The E2E files for all loaded patient files are exported. In order to export the E2E files without generating a report, click “Close” . In order to export the E2E files and generate a report, click “Report” . The “Save Batch Report” dialog box opens. Select a storage location and click “Save” to confirm. The batch report is saved and can be opened with a standard Microsoft editor. Click “Close” to close the “Export E2E Files” dialog box. 10.4 Importing E2E Files E2E files need to be imported to complete patient files or individual examinations or to import the demo data provided by Heidelberg Engineering. Click to start HEYEX. Select “Database \ Import E2E Files...” in the menu bar. The “Import Examination Data” dialog box is displayed. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 165 10 Processing Data Importing E2E Files Select the storage location and the desired E2E files. Click “Open” to confirm. The “Database Import” dialog box is displayed . Assigning Patient Data In the “Patient” section, select the patient data to be imported with the examination: ▪ ▪ ▪ ▪ “Import referring physician” “Import patient comment” “Import patient anamnesis” “Import patient ancestry” Assigning Examination Data In the “Examination” section, select the examination data to be imported with the examination: ▪ “Import study field” ▪ “Import diagnosis” ▪ “Import examination comment” Avoid assigning Patient IDs If you do not want to assign a patient ID to each imported patient file, check the “Do not import Patient ID (E2E from external Database)” box in the “Inter-Database E2E Exchange” section. Avoid assigning Unique Patient Identifier Unique patient identifiers (UIDs) are automatically generated by HEYEX for each patient file. UIDs are not related to patient-IDs. UIDs identify patients uniquely across multiple HEYEX databases, while the patient-ID does not. Do not mark the “Do not import auto-generated UID of Patient (not recommended)” box. If you want to disable the UID-based matching of patients during the E2E import, check the “Do not import auto-generated UID of Patient (not recommended)” box in the “Inter-Database E2E Exchange” section. Potential Patient Matches If the patient details, for example the name, date of birth, and patientID of a patient to be imported and an already in HEYEX existing patient file match, the “Potential Patient Matches” dialog box is displayed. In this dialog box, the already existing patient entries are displayed. Select one of the following options to proceed with the import of E2E files. In order to create a new patient entry, select “Create New Patient Entry” . In order to merge the E2E files of both, the patient file to be imported and the already existing patient file, select the desired patient file and then click “Use Selected Patient Entry” . In order to merge the E2E files and update the patient ID of the already existing patient file, select the desired patient file and then click “Use Selected Patient Entry and Update Patient ID” . 166 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Processing Data 10 Exporting Pictures In order to merge the E2E files and update the name and the date of birth of the already existing patient file, select the desired patient file and then click “Use selected Patient Entry and Update Name and Date of Birth” . Click “OK” to confirm. The message “Importing Data. Please wait.” is displayed. The E2E files are being imported and stored into HEYEX where they are displayed in the database window. 10.5 Exporting Pictures Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Right-click an image thumbnail. The context menu opens. Select “Export \ as Picture”. The “Save as” dialog box is displayed. Select a storage location, a file name and select one of the following file types: ▪ ▪ ▪ ▪ BMP files JPG files TIF files PNG files When selecting a movie, the file type .AVI is available. When selecting a single image format, e.g. .PNG, for exporting movies, a single image is created for every movie frame. In order to export patient information, select the following options in the “Options” section. ▪ “Add Info Block” ▪ “Add Patient Name” ▪ “Add Overlays” In order to export patient data, select the following options in the “Displayed Patient Info” section. ▪ ▪ ▪ ▪ ▪ “Patient Name” “Patient ID” “Date of Birth” “Ancestry” “Diagnosis” © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 167 10 Processing Data Exporting XML-Files Click “Save” to confirm. The image is saved and can be reviewed. Depending on your image viewing software, the exported images might be displayed slightly pixelated. 10.6 Exporting XML-Files Per default, the Export as XML function is not available after the SPECTRALIS software installation. The function needs to be made available by the following procedure where the path to the storage location is configured. These steps do not have to be repeated each time a XML export is performed. Configuring the path to the storage Click to start HEYEX. location Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click an image thumbnail. The analysis window opens. In order to set the storage location of the XML-file, select “Options \ Preferences” in the menu bar. The “Preferences” dialog box is displayed. Select “Data Export Options \ XML Data Export”. In the “Destination folder for export files” section click “Browse” and select a storage location. Click “OK” to confirm. In the “Post-processing Application” section click “Browse” and select the program the xml-files shall be opened with. Click “OK” to confirm. If patient data shall be anonymized, check the “Depersonalize” box. Click “OK” to confirm. In order to make the “Export as XML” function available in the context menus of the database window and the image viewing window, click to close the analysis window. Click to close HEYEX. Exporting patient data as XML files Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Right-click an image thumbnail. The context menu opens. Select “Export \ as XML”. The message “Exporting Data to XML. Please wait.” is displayed. The XML-files are saved at the storage location. 168 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Processing Data 10 Exporting Movies 10.7 Exporting Movies In order to view acquired movies outside HEYEX, it is possible to export them as movie files. Click to start HEYEX. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Right-click a movie thumbnail. The context menu opens. Select “Export \ as Picture”. The “Save as” dialog box is displayed. Select a storage location and a file name. Open the “Data type” drop-down list and select “AVI” . In order to define the video compression codec, click “Set up Codec” . The “Video Compression” dialog box is displayed. Select an appropriate compressor and a compression quality. The following AVI codes are available: ▪ ▪ ▪ ▪ ▪ Microsoft RLE Microsoft Video 1 Intel IYUV Codec Cinepak Codec by Radius Full Frames (uncompressed) In order to adjust the compression quality, adjust the slider to the appropriate number. The quality score ranges from 0 (very low quality) to 100 (excellent quality). Click “OK” to confirm. In order to save the video, click “Save” . The video can be viewed with an external movie player. Exporting Movies with Corrected Eye Movement In order to export the movie aligned, the option “Eye Movement Correction” has to be set. Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. Double-click a movie thumbnail. The analysis window opens. In order to correct the eye movements, click section. In order to export the movie, click in the movie control in the movie control section. The “Save as” dialog box is displayed. Select a storage location, a file name and a video compression codec. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 169 10 Processing Data Computing Mean Images In order to save the video, click “Save” . The video can be viewed with an external movie player. 10.8 Burning Exported Data onto a CD Before you can burn patient files on a CD, you have to export them: ▪ as E2E files ( Chapter 10.2 “Exporting individual Examinations as E2E Files”, p. 164) ▪ as pictures ( Chapter 10.5 “Exporting Pictures”, p. 167) ▪ as movies ( Chapter 10.7 “Exporting Movies”, p. 169) Open the Windows Explorer. Drag-and-drop to the exported files from the folder where the exported files are saved to the “DVD-Ram Drive” . The exported data are written on the CD. 10.9 Computing Mean Images If you have acquired images or movies without ART Mean, you can compute mean images afterwards. L WARNING Failures during computing Mean images may cause image artifacts. For best image quality, acquire images with ART Mean. Do not mistake these artifacts for pathology. Computing mean images from Click to start HEYEX. single images Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. on the keyboard and click the images which have to be computed to a mean image. Press and hold Release and right-click a selected image thumbnail. The context menu opens. Select “Compute Mean” . The “Computing Results” dialog box is displayed. If the computing process has been finished, the analysis window opens. The computed mean image is displayed. In order to close the analysis window, click . The computed mean image thumbnail is displayed in the image viewing window. Computing mean images from Right-click a movie thumbnail. movies The context menu opens. 170 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Processing Data 10 Computing Composite Images Select “Compute Mean” . The “Align Images” dialog box is displayed. The computing of the mean image depends on the length of the movie and may take several minutes. When the computing process has been finished, the “Computing Results” dialog box is displayed and the analysis window opens. The computed mean image is displayed. In order to close the analysis window, click . The computed mean image thumbnail is displayed in the image viewing window. 10.10 Computing Composite Images If you have acquired multiple single images or a movie, you can compute composite images afterwards. L WARNING Failures during computing Composite images may cause image artifacts. For best image quality, acquire images with the acquisition modality “Composite” or “Composite 3x3” . Do not mistake these artifacts for pathology. Depending on the number of selected images and PC performance, computing composite images may take several minutes. Computing composite images from Click to start HEYEX. multiple single images Select a patient file ( Chapter 5.5 “Selecting and Opening Patient Files”, p. 45). Click to open the image viewing window. on the keyboard and click the images which have to be computed to a composite image. Press and hold Release and right-click a selected image thumbnail. The context menu opens. Select “Compute Composite” . The dialog box “Computing Results” is displayed. If the computing process has been finished, the analysis window opens. The computed composite image is displayed. In order to close the analysis window, click . The computed composite image thumbnail is displayed in the image viewing window. Computing composite images from Right-click a movie thumbnail. movies The context menu opens. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 171 10 Processing Data Computing Composite Images Select “Compute Composite” . The “Computing Composite Image” dialog box is displayed. The computing of the composite image depends on the length of the movie and may take several minutes. When the computing process has been finished, the dialog box “Computing Results” is displayed and the analysis window opens. The computed composite image is displayed. In order to close the analysis window, click . The computed composite image thumbnail is displayed in the image viewing window. For further information on acquiring composite images, please refer to ( Chapter 7.11 “Acquiring a Composite Fundus Image”, p. 103). 172 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Data Backup 11 Retrieving Images 11 Data Backup About this Chapter This chapter provides information on archiving data. Following these steps will help to minimize data loss caused by hardware damages, computer viruses, accidental deletion or unintentional overwriting. Chapter structure: ▪ Archiving images ▪ Retrieving images ▪ Compressing the database Heidelberg Engineering recommends to create data backups regularly. Without frequent backup, you should assume a high probability of data loss and take appropriate measures such as retention of paper copies. 11.1 Archiving Images L CAUTION Missing data backup. Archive data regularly. Data loss might occur, if the software crashes or the PC hardware breaks down. This can disable progression series and can lead to wrong diagnostic conclusions. L CAUTION If the HEYEX database and the archived data are saved on the same drive, both the HEYEX database and the archived data might be lost if the drive is damaged. Do not archive the data on the same drive as the HEYEX database. Lost data might not be restored. Click to start HEYEX. Select “Database \ Archive Images...” in the menu bar. The “Archive Data” dialog box is displayed. Click “Archive” to start archiving. The archiving process starts. When the archiving process has finished, the message “The archiving process has been finished successfully.” is displayed. Click “OK” to confirm. 11.2 Retrieving Images The function “Retrieve Images” is necessary, if images which are archived on an external storage device, shall be retrieved. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 173 11 Data Backup Compressing the Database This function is only to be used in a service case. Do not use this function in your daily routine. Click to start HEYEX. Select “Database \ Retrieve Images” in the menu bar. The “Retrieve Images” dialog box is displayed. Press and hold retrieved. Release on the keyboard and click the image objects to be and click “OK” to confirm. If patient files have been selected for retrieval, a message is displayed asking whether you really want to retrieve the data for the selected patients. In order to start the retrieval process for selected patient files only, click “Yes” . In order to start the retrieval process for all patient files, click “No” . The retrieval process starts. If the retrieval process has finished, the message “The retrieval process has been finished successfully” is displayed. 11.3 Compressing the Database This function is only to be used in a service case. Do not use this function in your daily routine. Click to start HEYEX. Select “Database \ Compress database...” in the menu bar. The message “Do you really want to compress it?” is displayed. Click “OK” to confirm. The database gets compressed. The message “The database size has changed.” is displayed. 174 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Troubleshooting 12 12 Troubleshooting Fault description Cause The device cannot be switched The power cables are not on. plugged in. Remedy Plug in the power cables. The power cables are defective. Exchange the power cable with another device to verify if the cable is defective or not. The isolating transformer is not switched on. Switch on the isolating transformer. The cable of the isolating Plug in the cable. transformer is not plugged in. The monitor remains black. The monitor is switched off. Switch on the monitor. The monitor is not connected Connect the monitor with the device. with the device. The cables are not plugged in. Plug in the cables. The cables are defective. Exchange the cable with another device to verify if the cable is defective or not. The isolating transformer is not switched on. Switch on the isolating transformer. The cable of the isolation Plug in the cable. transformer is not plugged in. The PC cannot be switched on. The PC is not connected to the power supply. Connect the PC to the power supply. The cables are defective. Exchange the cable with another device to verify if the cable is defective or not. The isolating transformer is not switched on. Switch on the isolating transformer. The cable of the isloation Plug in the cable. transformer is not plugged in. The mouse and/or the keyboard are not working. The footswitch and/or the joystick are not working. The cables are not plugged in. Plug in the cable. The cables are defect. Exchange the mouse and/or the keyboard. The cables are not plugged in. Plug in the cable. The cables are defective. Exchange the footswitch. Examination cannot be started. The dongle cannot be found, HEYEX is in demo mode. Plug the software dongle into the USB drive correctly. Restart the PC and HEYEX. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 175 12 Troubleshooting Fault description Cause Remedy The license manager has not Restart the PC and HEYEX. been started. The server where the license Start the server. manager is installed has not Restart HEYEX. been started. The patient sees four simultaneous blinking fixation targets. The error "Interlock" occured. Restart the system. Images cannot be opened. The dongle has not been found, HEYEX is in demo mode. If the problem persists contact your local distributor or Heidelberg Engineering. Plug the software dongle into the USB drive correctly. Restart the PC. The license manager has not Restart the PC. been started. The server where the license Start the server. manager is installed has not Restart HEYEX. been started. In the image viewing window examination tabs cannot be opened, the error message “Sharing Violation” is displayed. The examination has been locked by another person in the network environment. Wait until the examination is unlocked. The external fixation light is not Operating error. working. Switch on the external fixation light. No acquisition modes are displayed on the touch panel. Set the filter wheel correctly to “A” or “R” . The filter wheel is not correctly positioned at “A” or “R” . In the acquisition window, click and deselect the marked fixation light. The external fixation light is switched on. The camera cannot be aligned. The joystick or the micromanipulator are defective. Contact your local distributor or Heidelberg Engineering. Although the right eye has been examined, the image thumbnail is displayed on the left side of the image viewing window. The left-right recognition of camera is malfunctioning. Use the function “Exchange OD/OS” ( Chapter 10.1 “Exchanging OD/OS”, p. 163). The image thumbnail of an examination is displayed in a new examination tab although it should be part of the last examination tab. A new examination has been Continue the examination ( Chapter 5.8 started instead of continuing “Continuing Examinations”, p. 56). an examination. Bad image quality during examination. The lens is dirty. 176 If the problem persists contact your local distributor or Heidelberg Engineering. Clean the lens. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Troubleshooting 12 Fault description Cause Remedy The chin rest is not adjusted properly for the patient. Adjust the chin rest for the patient. Missing patient compliance. Explain the procedure to the patient. The patient has strong eye movement. Acquire images with ART Mean. Increase the number of frames if necessary. No images are displayed in the The display option “List” has In order to display images click image viewing window. been selected. The date and the time of an examination are wrong. The table is not moving up or down. or . The Windows settings have been changed. Reset the windows settings and correct date and time. The BIOS battery is empty. Replace the empty BIOS battery on the PC mainboard with a new one. The table is not connected to Connect the table to the isolating transformer. the isolating transformer. The cabling of the table is improperly. Connect the cables properly. Imported E2E files cannot be reviewed. No viewer license is installed. Contact your local distributor or Heidelberg Engineering. The printer is not printing. The printer is not connected to the isolating transformer. Connect the printer to the isolating transformer. The isolating transformer is not switched on. Switch on the isolating transformer. The toner or the ink is empty. Refill the toner or the ink or replace the printer cartridge. The error message “No connection to camera, power supply and touch panel.” is displayed. The error message “Database cannot be found” is displayed. The printer is out of paper. Refill paper. The cabling of FireWire card is improperly. Check the cabling of the FireWire card. The driver of the FireWire card is installed improperly. Install the driver of the FireWire card again. The power supply is not switched on. Switch on the power supply. The isolating transformer is not switched on. Switch on the isolating transformer. The external hard disk has not been found. Check the connection of the external hard disk. Restart HEYEX. Restart HEYEX. Restart HEYEX. Restart HEYEX. Restart HEYEX. If the problem persists, contact your local distributor or Heidelberg Engineering. The server has not been started. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Start the server. 177 12 Troubleshooting Display Messages Acquisition Window Fault description Cause Remedy The error message “DAO” is displayed. A hard disk failure occured. Contact Heidelberg Engineering support. The network connection failed. Contact your local distributor or Heidelberg Engineering. 12.1 Display Messages HEYEX Fault description Cause Remedy “The disk space is seriously low! Please stop working and use "archive" and "clean-up" to make new disk space available.” The patient data hard disk space is low. Select “Database \ Archive Images...” in the menu bar and start the archiving process. Ensure that enough memory is available on the archive medium. Use a bigger hard disk for storing the patient data. “Warning: The database has not been archived since 8 days! Please archive as soon as possible.” The database has not been archived for 8 days. The message will be displayed every day then, until the archiving process has been started. Select “Database \ Archive Images...” in the menu bar and start the archiving process. “Warning: The database has not been archived since 15 days! The archiving process will be started now...” The database has not been archived for 15 days. The archiving process starts automatically. Ensure that enough memory is available on the archive medium. “Cannot delete images that have been archived or put into a light box.” If images have been archived, only the images, not the corresponding patient data are archived. The link between HEYEX and the archive medium will be lost if the images are deleted in HEYEX. There would be no possibility to recover the images. This mechanism prevents data loss due to an unintentional image deletion. If the images shall be deleted, delete the complete patient file. 12.2 Ensure that enough memory is available on the archive medium. Display Messages Acquisition Window Fault description Cause Remedy “Acquisition in service mode not allowed!” The service mode is enabled. Do not use the system. The background of the If your service technician is on-site, contact your acquisition window is colorservice technician. coded red. Restart the device. If the problem persists and your service technician is off-site, please contact your local Heidelberg Engineering partner or the Heidelberg Engineering support. 178 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Troubleshooting 12 Display Messages Acquisition Window Fault description Cause Remedy “Configuration Error: The screen resolution must be 1600 x 1200 pixels or higher. Reconfigure your screen resolution and start the acquisition module again.” The screen resolution is not sufficient. The monitor must have a screen resolution of 1600 x 1200 pixels. Check the monitor requirements. Reconfigure your screen resolution. Use another monitor that meets the monitor requirements. “Don't expose patient to The service mode is enabled. Do not use the system. laser! System is in The background of the If your service technician is on-site, contact your service mode!” acquisition window is colorservice technician. coded red. Restart the device. If the problem persists and your service technician is off-site, please contact your local Heidelberg Engineering partner or the Heidelberg Engineering support. “Error: Device not The FireWire cable (FireWire Check the cabling of the FireWire cable. connected (not visible to 400/1394a) is not, or not coroperating system)” rectly inserted into the socket. “OCT module self test running. Please wait...” The device is not switched on. Switch on the device. The FireWire card is defective. Contact your local Heidelberg Engineering partner or the Heidelberg Engineering support. The FireWire driver (IEEE1394a) is not correctly installed. Re-install the software. When the device is switched on, an internal self test is performed. While this message is displayed, the device cannot be used. This will only take several seconds Wait until the message “Press button on the touch panel to start the live image” is displayed. It is not recommended to frequently turn the device on and off. Instead, switch on the device in the morning and off in the evening even if the device is not in constant use throughout the day. “OCT module data acquisition failure: IMOD 0xe0000200” The device has been Switch on the device. switched off while the camera was switched on and the OCT acquisition window was opened. “SAFETY-INTERLOCK (No. <N>): restart device!” The "Interlock" error occurred. The device cannot be used. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Restart the system. If the problem persists, please contact your local Heidelberg Engineering partner or the Heidelberg Engineering support. 179 12 Troubleshooting Display Messages Power Supply Fault description Cause Remedy “Scan amplitude The HRA scan amplitude measurement failed. cannot be measured as the Please contact service!” amplitude is too low. 12.3 In the acquisition window, select “IR” as the acquisition mode and “30°” as the scan angle. Press + + + on the keyboard. The “Service Panel” window opens. Check the “Large Service Mode Live Image” box. Take a screen shot. Uncheck the “Large Service Mode Live Image” box and close the “Service Panel” window. Send the screen shot to your local Heidelberg Engineering partner or the Heidelberg Engineering support. Display Messages Analysis Window Fault description Cause Remedy “Do you really want to delete the selected images?” Deleted objects will be removed and cannot be recovered at a later time, even if archived. Click “Yes” to confirm or “No” to quit without changes. “Warning: Classification results valid for Caucasian eyes only!” The data base for the classification is only valid for Caucasians. The classification results might differ for patients of different heritage. Please take the patient's heritage into account when analyzing examinations. 12.4 Display Messages Touch Panel Message Cause Remedy ATTENTION! You are entering a The service mode has been service area. Press “Cancel” to switchen on accidentally on the leave! Press “Continue” to go on if touch panel. you are a certified service engineer. 12.5 Ensure that the local regulations retaining patient data are observed before deleting images. Press “Cancel” if you are no service engineer or restart the device. Display Messages Power Supply Message Cause Remedy Service mode. Do not use system. The service mode is enabled. Do not use the system. If your service technician is on-site, contact your service technician. If the problem persists and your service technichian is off-site, please contact your local distributor or the Heidelberg Engineering support. 180 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Service and Cleaning 13 Saving the Log Information to the Archive File 13 Service and Cleaning 13.1 Service and Maintenance L WARNING Insufficient maintenance of the device might lead to device failures or bad image quality. Heidelberg Engineering recommends an inspection of the device every two years. The inspection shall be carried out by authorized service personnel. A device failure or bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Only authorized service personnel are allowed to perform services and repairs on the device. If the device is opened by someone other than an authorized service personnel, the warranty will be void. In order to schedule a maintenance adjustment or repair of the equipment contact Heidelberg Engineering or your local distributor. In order to ensure proper functioning of the device, Heidelberg Engineering recommends periodic maintenance every two years including a comprehensive quality control checkup. For further information on the support offered by Heidelberg Engineering, please visit the Heidelberg Engineering support website at http://www.heidelbergengineering.com/international/support/. 13.2 Saving the Log Information to the Archive File For immediate assistance in the event of a problem, e.g. software crash, create an archive file and send it together with a detailed error description by email to your local distributor. In the acquisition window, select “Setup \ Service” in the menu bar. The “Info/Service” dialog box is displayed. If there was a software crash, check the “Include crash dump information” box. Click “Save log information to archive file” . The “Save as” dialog box is displayed. Select a storage location and click “Save” to confirm. The archive file is saved as a zip file. In order to close the “Info/Service” dialog box, click “Close” . Send the zip file per email to your local distributor. If the zip file is too large to send it by email, use a file sharing software to transmit the information to your local distributor. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 181 13 Service and Cleaning Cleaning and Disinfection 13.3 Cleaning and Disinfection L WARNING Improper cleaning and disinfection of the device may cause allergic reactions or infections caused by transmitted pathogenic germs. Clean the device after each use as needed and disinfect the device before each examination as described in this chapter. The allergic reactions or infections may have a serious impact on the patient's health. L WARNING Improper cleaning of the device might lead to device failures or bad image quality. Check regularly that the device is clean. Clean the device regularly. Remove dust, dirt, and/or contrast fluid. A device failure or bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. L CAUTION Fluids, e.g. cleanser, in the device may cause bad image quality. Clean and disinfect the non-optical surfaces of the device with a moist, not wet, cloth. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. Cleaning optical surfaces L WARNING Using the wrong cleanser or cleaning cloth might scratch the lens. Always use special cleaning products for optics or pure alcohol, for example ethanol or isopropanol, with a minimum alcohol level of 99%. Never use cleaning products that contain methanol. Never use cleaning tissues or disinfectant wipes to clean the lens. Always use a microfiber cloth for cleaning. Never apply any pressure while wiping. A scratched lens might lead to artifacts in reflectance images. L CAUTION Frequent cleaning of the lens during the service live of the device might wear the lens and lead to deterioration of image quality . Avoid dirty lenses. When the device is not in use, protect the lens with the lens cover. Bad image quality may lead to wrong diagnostic conclusions which may result in wrong therapeutic approaches. The front lens may get dirty as the result of contact with eyelashes and fingerprints. Check regularly that the lens is clean. When the device is not in use, protect the device with the dust cover. 182 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Service and Cleaning 13 Cleaning and Disinfection Disinfecting optical surfaces Disinfect the optical surfaces with isopropyl alcohol with an alcohol level of 70% or ethanol with an alcohol level of 80%. In order to ensure decontamination, follow appropriate infection control guidelines regarding surface disinfectant contact times. At the end of the contact time check whether remnants of the disinfec- tant are on the optical surfaces. If there are remnants of the disinfectant on the optical surfaces, clean the optical surface as described in ( “Cleaning optical surfaces” p. 182). Cleaning non-optical surfaces Clean the non-optical surfaces of the device after each examination as needed. Any standard cleaning product appropriate for plastic and metal surfaces which does not contain acetone or hydrogen peroxide may be used. Disinfecting non-optical surfaces Heidelberg Engineering recommends Metrex CaviWipes® or other EPA registered disinfectants with comparable active substances. Observe the instructions of the disinfectant wipes manufacturer. Do not use products containing acetone or hydrogen peroxide. Disinfect the non-optical surfaces with disinfectant wipes before each examination. Cleaning and disinfecting the touch panel NOTICE Using the wrong cleanser might damage the touch panel's coating. Do not use detergents containing organic solvents, e.g. acetone, or hydrogen peroxide when cleaning and disinfecting the Touch Panel. Clean the touch panel with a moist, well wrung out microfiber cloth. Use a mild detergent for cleaning the touch panel. For disinfecting the touch panel, please follow the instructions for disinfecting non-optical surfaces ( “Disinfecting non-optical surfaces” p. 183). © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 183 13 Service and Cleaning Cleaning and Disinfection Cleaning the power supply filter Clean the filter on the backside of the power supply every three months: Fig. 77: SPECTRALIS power supply Switch off the power supply. Remove four screws with a size 2.5 mm Allen key and take off the cover plate. Remove the filter from the power supply. In order to clean the filter, carefully beat it. Alternatively, hold the filter under the water tab and clean it carefully. Before re-inserting the filter into the power supply, let it dry completely. 184 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Disposal 14 14 Disposal The device complies with the directive 2012/19/EU WEEE on waste electrical and electronic equipment. Electrical and electronic equipment with this symbol indicate that the device may not be disposed of with the regular household garbage. For further information, please contact your local distributor or Heidelberg Engineering. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 185 15 Technical Specifications 15 Technical Specifications Manufacturer Heidelberg Engineering GmbH Tiergartenstr. 15 69121 Heidelberg / Germany Model Type SPECTRALIS HRA Imaging Modes Single Imaging Modes Infrared reflectance imaging (IR) Blue-reflectance imaging (BR) Fluorescein angiography (FA) Indocyanine green angiography (ICGA) BluePeak blue laser autofluorescence imaging (BAF) Simultaneous Imaging Modes Simultaneous FA and ICGA Simultaneous FA and IR Simultaneous ICGA and IR Simultaneous BAF and IR Light Sources IR Laser, wavelength 815 nm, output power 0.10 mW (cw, parallel beam), Class 1 laser product FA, BAF, BR Laser, wavelength 486 nm, output power 0.44 mW (cw, parallel beam), Class 1 laser product ICGA Laser, wavelength 786 nm, output power 3.80 mW (cw, parallel beam), Class 1 laser product GR Laser, wavelength 518 nm, output power 0.44 mW (cw, parallel beam), Class 1 laser product Laser product classification according to IEC 60825-1:2007. The product complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No.50, dated June 24, 2007. Scanning Laser Imaging Specifications Maximum scan depth 8 mm Transversal field of view Scan angle [°] 30 x 30 / 20 x 20 / 15 x 15 Scan angle wide field lens [°] 55 Wide field composite image up to 165° Digital image size [pixels] 768 x 768 / 512 x 512 / 384 x 384 Scan time per image [ms] 96 / 64 / 48 High Speed (HS) mode 186 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Technical Specifications 15 High Resolution (HR) mode Lateral resolution (digital) 11 µm/pixel Image rate [Hz] 9 / 12.5 / 16 Digital image size [pixels] 1,536 x 1,536 / 1,024 x 1,024 / 768 x 768 Scan time per image [ms] 192 / 128 / 96 Lateral resolution (digital) 6 µm/pixel Image rate [Hz] 5/7/9 Height [mm] 205 Width [mm] 100 Length [mm] 235 Weight [kg] 5.6 Height [mm] 550; without fixation light Width [mm] 325 Length [mm] 470 Weight [kg] 8.8 Height [mm] 170 Width [mm] 190 Length [mm] 340 Weight [kg] 6.5 Height [mm] 100 Width [mm] 185 Length [mm] 170 Weight [kg] 2 Dimensions and Weight Camera head Instrument base KT Power Supply Touch Panel Electrical Data Input Voltage 100 – 240 V Frequency 50/60 Hz Power consumption 140 VA Fuses For 240 V: 2 x T 1.6 AH, time delay, High breaking capacity 1500A @ 250VAC, ULCCN:JDYX2, UR, e.g. Littelfuse Typ 215 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 187 15 Technical Specifications Electromagnetic Compatibility For 120 V: 2 x T 3.15 AH, time delay, High breaking capacity 1500A @ 250VAC, ULCCN:JDYX2, UR, e.g. Littelfuse Typ 215 Power Connection 1. Type SVT, 3 x 18AWG, Hospital Grade-marked plug, UL-CCN: ZJCZ or RTRT or AXUT, UR for US 2. Type H05VV-F 3G 0.75 mm2, IEC-320 standard power inlet connector, VDE Power outlets (Option) 1 IEEE 1394a (Fire Wire / i.Link) port: 12 V, 1.25 A Ingress protection rating IPX0 Protection against electric shock Class 1 Applied Parts Type B SPECTRALIS head rest Mains Isolation Switch Rocker switch at power supply front side Operating Environmental Conditions Temperature 10 – 35°C / 50 - 95°F Relative Humidity 10 – 90% non condensing Air Pressure 700 – 1,060 hPa Mode of Operation Suited for continuous operation Non Operating Environmental Conditions Temperature -30 – 60°C / -22 – 140°F Relative Humidity 10 – 95% Air Pressure 500 – 1,060 hPa 15.1 Electromagnetic Compatibility 15.1.1 Guidance and Manufacturer’s Declaration The device is intended for use in the electromagnetic environment specified below. The customer or the user of the device should ensure that it is used in such an environment. Emission Test Compliance Electromagnetic Environment RF Emissions Class B CISPR 11 Group 1 The device uses only RF energy for internal function. Therefore, its RF emissions are very low and are not likely to cause interference. RF Emissions Class B CISPR 11 188 The device is suitable for use in all establishments, including those directly connected to a public low-voltage power supply network that supplies buildings uses for domestic purposes. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Technical Specifications 15 Electromagnetic Compatibility Emission Test Compliance Harmonic Emission Class A Electromagnetic Environment IEC 61000-3-2 Voltage fluctuations / flicker emissions Passed IEC 61000-3-3 Immunity Test IEC 60601 test level Compliance Level Electromagnetic Environment Guidance Electrostatic discharge (ESD) 6 kV contact 6 kV contact 8 kV air 8 kV air Floors should be wood, concrete or ceramic tile. If floors are covered with synthetic material, the relative humidity should be at least 30 %. 2 kV for power supply lines ±2 kV Power quality should be consistent with a typical commercial or hospital environment. Surge 1 kV line(s) to line(s) 1 kV line(s) to line(s) IEC 61000-4-5 2 kV line(s) to earth 2 kV line(s) to earth Power quality should be consistent with a typical commercial or hospital environment. IEC 61000-4-2 Electrical fast transient/ burst IEC 61000-4-4 Voltage dips, short inter- <5% UT (>95% dip in Passed ruptions and voltage UT) for 0.5 cycle variations on power 40% UT (60% dip in UT) supply input lines for 5 cycles IEC 61000-4-11 70% UT (30% dip in UT) for 25 cycles <5% UT (>95% dip in UT) for 5 sec Power frequency (50/60 Hz) magnetic field 3 A/m 3 A/m IEC 61000-4-8 Power quality should be consistent with a typical commercial or hospital environment. If the user of the device requires continued operation during power interruptions, it is recommended that the device be powered from an uninterruptible power supply or a battery. Power frequency magnetic fields should be at levels consistent with a typical commercial or hospital environment. Portable and mobile RF communications equipment should be used no closer to any part of the device including cables, than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter. Recommended separation distance (see below): Conducted RF 3V IEC 61000-4-6 150 kHz to 80 MHz © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US V1=3 V 189 15 Technical Specifications Electromagnetic Compatibility Immunity Test IEC 60601 test level Compliance Level Radiated RF 3 V/m E1=3 V/m IEC 61000-4-3 80 MHz to 2,5 GHz Electromagnetic Environment Guidance 80 MHz to 800 MHz 800 MHz to 2.5 GHz, where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer and d is the recommended separation distance in meters (m). Field strengths from fixed RF transmitters, as determined by an electromagnetic site (a) survey, should be less than the compliance level in each frequency range. (b) Interference may occur in the vicinity of equipment marked with the following symbol: a) Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the device is used exceeds the applicable RF compliance level above, the device should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or relocating the device. b) Over the frequency range 150 kHz to 80 MHz, field strengths should be less than [V1] V/m. 15.1.2 Recommended Separation Distances Recommended separation distances between portable and mobile RF communications equipment and the device. The device is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the device can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the device as recommended below, according to the maximum output power of the communications equipment. 190 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Technical Specifications 15 Regulatory Standards Rated maximum output power of transmitter W Separation distance according to frequency of transmitter [m] 150 kHz to 80 MHz 80 kHz to 800 MHz 800 kHzto 2.5 GHz 0.01 0.12 0.12 0.23 0.1 0.38 0.38 0.73 1 1.2 1.2 2.3 10 3.8 3.8 7.3 100 12 12 23 For transmitters rated at maximum output power not listed above, the recommended separation distance (d) in meters (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer. At 80 MHz and 800 MHz, the separation distance for the higher frequency applies. These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from strictures, objects and people. 15.2 Regulatory Standards The HRA complies with the international IEC 60601 standard series concerning medical electrical equipment. These standards are published by the International Electrotechnical Commission (IEC) and are the basis of most national and regional standards for medical electrical equipment worldwide. Some local standards contain deviations from the IEC versions. These standards include: ▪ ▪ ▪ ▪ ▪ EN 60601-1 (EU) ANSI/AAMI ES60601-1 (USA) CSA C22.2 No. 60601-1-08 (Canada) JIS T 0601-1 (Japan) AS/NZS 3200.1.0 (Australia / New Zealand) The list refers to the currently valid versions of these standards. Wherever IEC 60601-Standards are mentioned inside this document, the according regulations of respective local standards are also implied. The HRA complies with the directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment. Even though the HRA already conforms to most local standards for medical devices in its default configuration, actual conformance can only be ensured by buying it from an authorized local Heidelberg Engineering distributor. © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 191 15 Technical Specifications Labeling 15.3 Labeling SPECTRALIS Type Plate Label The following label is located on the power supply. Fig. 78: SPECTRALIS type plate label The label contains the following information: Manufacturer The device may not be disposed of with the regular household garbage ▪ Caution: Follow instructions for use ▪ CE mark certification, Class IIa medical device according to EU directive 93/42/EEC ▪ ▪ Camera Label The following label is located on the camera head. Fig. 79: Camera label The label contains the following information: ▪ ▪ ▪ FDA Compliance Manufacturer Date of manufacture Serial number The following label is located on the camera head. The label contains the information that the device complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007. 192 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Technical Specifications 15 Labeling Power Supply Label The following label is located on the power supply. Fig. 80: Power supply label The label contains the following information: ▪ Input voltage, frequency and power consumption ▪ Fuses used in the device Serial number ▪ ▪ Date of manufacture The [A] at the end of the serial number indicates, that the device can only be operated with a laptop, if additional equipment is available that powers the FireWire bus. The following label is located on the head rest. Head Rest Label Fig. 81: Head rest label The label contains the following information: ▪ ▪ ▪ ▪ Touch Panel Label Manufacturer Date of manufacture Serial number Applied parts type B The following label is located on the touch panel. Fig. 82: Touch panel label The label contains the following information: ▪ ▪ ▪ Manufacturer Date of manufacture Serial number © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 193 15 Technical Specifications Labeling 15.3.1 UL Classification Mark The UL Classification Mark appears on devices that UL has evaluated but only with respect to specific properties, a limited range of hazards, or suitability for use under limited or special conditions. With the UL Classification Mark Heidelberg Engineering has demonstrated the ability to produce a product complying with UL's requirements with respect to one or more of the following: ▪ ▪ ▪ ▪ ▪ 194 Specific risk, e.g., casualty, fire, etc. Performance under specific conditions Compliance with regulatory codes Compliance with specific standards such as international standards Other conditions, as determined by UL © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Terms and Definitions 16 16 Terms and Definitions ART Mean If Automatic Real Time (ART) Mean is switched on, the section “ART Mean” is displayed. With ART, mean images are created automatically, which increases image quality due to noise reduction. For performance reasons, this process has a tolerance, so the actual number of frames used to create the mean image may vary up to ±10%. If you want to check the number of images averaged, select “Image \ Image Information” in the analysis window's menu bar. In the “OCT image” section, the number of images averaged is given in the “ART Mode” entry. AQM AutoRescanTM BAF Acquisition module TruTrackTM active eye tracking creates a detailed retinal map each time a patient is imaged. The AutoRescanTM feature uses this map to automatically place follow-up scans in precisely the same location as the baseline scan. Once a scan is marked for follow-up, the AutoRescan feature will find the desired location, eliminating subjective operator placement and increasing clinician ability to observe true change over time rather than change resulting from alignment error. AutoRescan precision has been documented in studies showing that the SPECTRALIS system offers 1 μm measurement reproducibility (Wolf-Schnurrbusch UE et al. Macular Thickness Measurements in Healthy Eyes Using Six Different Optical Coherence Tomography Instruments. Invest Ophthalmol Vis Sci. 2009;50:3432-3437). BluePeak blue laser autofluorescence BAF+ICGA BluePeak blue laser autofluorescence + indocyanine green angiography BAF+IRAF BluePeak blue laser autofluorescence + infrared autofluorescence BR BR+IR cSLO FA FA+ICGA Blue reflectance Blue reflectance + infrared reflectance confocal Scanning Laser Ophthalmoscopy Fluorescein angiography Fluorescein angiography + indocyanine green angiography © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 195 16 Terms and Definitions FA+IRAF HR High resolution mode; if you select HR as the scan resolution mode, images are acquired with a higher spatial scan resolution but with a low scan rate. HR acquires more data points over a longer time period and requires more time and space for data storage. HS High speed mode; if you select HS as the scan resolution mode, images are acquired at a faster rate but will be of a lower resolution. HS is optimized for fast image acquisition with a high frame rate and a minimum need for data storage. ICGA Indocyanine green angiography ICGA+IR Indocyanine green angiography + infrared reflectance IRAF+IR Infrared autofluorescence + infrared reflectance IR Infrared reflectance image IRAF Infrared autofluorescence OCT Optical Coherence Tomography OD ONH Oculus dexter, right eye Optic nerve head OS Oculus sinister, left eye OU Oculi uterque; both eyes PPole PPR RNFL 196 Fluorescein angiography + infrared autofluorescence Posterior pole Peripapillary retina Retinal Nerve Fiber Layer © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Terms and Definitions 16 TruTrackTM Active Eye Tracking TSA VWM The SPECTRALIS platform simultaneously images the eye with two beams of light. One beam captures an image of the retina and maps over 1,000 points to track eye movement. Using the mapped image as a reference, the second beam is directed to the desired location despite blinks or saccadic eye movements. TruTrackTM dual-beam technology mitigates eye motion artifact and ensures point-to-point correlations between OCT and fundus images without post-processing of the data Transverse section analysis Viewing module © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 197 17 Index 17 Index A Acquisition modalities Composite.................................................. 72, 103 Composite 3x3........................................... 72, 109 Mean.................................................................. 72 Movie......................................................... 72, 100 Selecting acquisition modalities......................... 72 Stereo pair................................................. 72, 110 Acquisition Window Selecting a Fixation Light................................... 83 Analysis window Cascading windows......................................... 127 Full screen....................................................... 127 Tiling windows.................................................. 127 Window options................................................ 127 Analyzing images Tomography............................................... 72, 114 Acquisition modes FA...................................................................... 81 FA+IR................................................................. 81 Filter wheel......................................................... 80 ICGA.................................................................. 81 ICGA+IR............................................................. 81 IR....................................................................... 81 MultiColor (option).............................................. 82 RF / BR.............................................................. 81 RF+IR / BR+IR................................................... 81 Selecting acquisition modes.............................. 82 Selecting an acquisition mode........................... 80 Acquisition parameters Acquisition memory setup.................................. 76 Composite.......................................................... 76 Composite 3x3................................................... 76 Cyclic buffer size for movies.............................. 76 Default acquisition mode.................................... 76 Duration of a movie............................................ 76 Fixation light....................................................... 76 Image brightness control.................................... 75 Mean.................................................................. 76 Movie................................................................. 76 Scan resolution mode........................................ 75 Stereo pair......................................................... 76 Tomography....................................................... 76 Tomography depth scan range.......................... 76 Acquisition settings Automatic image brightness control................... 73 High resolution HR............................................. 73 High speed HS................................................... 73 Manual image brightness control....................... 73 Myopic lens........................................................ 73 Color scale....................................................... 125 Image brightness and contrast......................... 124 Image information............................................ 128 Noise reduction................................................ 126 Sharpen the cSLO image................................. 125 Viewing preferences........................................ 123 Angiographies Acquiring a movie of the early phase................. 91 FA...................................................................... 91 FA + ICGA.......................................................... 91 FA + IR............................................................... 91 HRA patient timer log......................................... 94 ICGA.................................................................. 91 ICGA + IR........................................................... 91 Performing an angiography................................ 88 Removing patients from the HRA patient timer log............................................................. 94 Resetting injection timers................................... 94 Setting injection timers....................................... 93 Starting the angiography.................................... 91 Anonymize patient data for export........................ 124 ART Mean "Normalize" function........................................... 79 Adjusting ART Mean.......................................... 79 Computing mean images................................. 170 Mean images..................................................... 79 B BAF......................................................................... 81 BluePeak blue laser autofluorescence images Acquiring BluePeak blue laser autofluorescence images..................................................... 96 BR........................................................................... 81 198 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Index 17 C C-Curve................................................................... 64 Cleaning Non-optical surfaces........................................ 183 Optical surfaces............................................... 182 Power Supply Filter.......................................... 184 Touch panel..................................................... 183 Composite 3x3...................................................... 109 Disinfection Non-optical surfaces........................................ Optical surfaces............................................... Touch panel..................................................... Display info bubbles.............................................. Display options Cascading windows......................................... Full screen....................................................... Composite fundus image...................................... 103 Composite fundus images..................................... 146 Acquiring composite 3x3 fundus images......... 109 Acquiring composite fundus images................ 103 Analysis window............................................... 146 Composite 3x3................................................. 109 Computing composite fundus images.............. 171 Creating a new patient file....................................... 42 cSLO Image color scale Black on white.................................................. 125 Color................................................................ 125 White on black................................................. 125 cSLO Images Acquiring cSLO images..................................... 84 Analysis window............................................... 144 Color scale....................................................... 125 Measuring a distance....................................... 129 Sharpen the cSLO image................................. 125 Custom settings Image brightness and contrast......................... 126 Cyclic buffer size for movies................................... 76 D Database window Correcting patient data....................................... 57 Deleting patient files........................................... 57 Entering patient data.......................................... 57 Graphical user interface..................................... 37 Load all patient files........................................... 45 Load one patient file........................................... 45 Searching patient files........................................ 50 Starting a new examination................................ 54 Diagnoses............................................................... 62 Deleting a diagnosis........................................... 62 Entering a diagnosis.......................................... 62 Renaming a diagnosis....................................... 62 Tiling windows.................................................. 127 Dongle..................................................................... 14 E E2E files................................................................ 165 Exporting E2E files........................................... 164 Import............................................................... 165 Enable progression cache..................................... 124 ETDRS grid........................................................... 134 Examination data.............................................. 42, 61 Examinations Continuing examinations.................................... 56 Starting a new examination................................ 54 Expanding images and movies............................. 142 Export E2E files........................................................... 164 Movies.............................................................. 169 Multiple Images or Patient Files as E2E Files.. 164 Extracting single images....................................... 143 Eye data.................................................................. 42 Axis of astigmatism............................................ 63 C-Curve.............................................................. 63 Corrective lens................................................... 63 Cylinder.............................................................. 63 Intraocular pressure........................................... 63 Pupil size............................................................ 63 Spherical refraction............................................ 63 Visual field mean deviation................................ 63 Visual field variation........................................... 63 F FA............................................................................ 81 Filter wheel.............................................................. 80 Position A........................................................... 80 Position P........................................................... 80 Position R........................................................... 80 Position S........................................................... 80 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US 183 183 183 123 127 127 199 17 Index Fixation light............................................................ 76 Default fixation light............................................ 76 External fixation light.......................................... 82 Internal fixation light........................................... 82 Selecting a fixation light..................................... 82 Fluorescein angiography......................................... 91 Follow-up image is not compared to last visit....... 124 Fundus images Importing images into HEYEX............................... 165 Patient-ID......................................................... 165 Indocyanine green angiography.............................. 91 IR............................................................................. 81 L Labeling Camera label.................................................... 192 Head rest label................................................. 193 Acquisition window............................................. 78 Power supply label........................................... 193 Touch panel label............................................. 193 Type plate label................................................ 192 Laser intensity......................................................... 71 Lightbox Adding images to the lightbox............................ 67 Deleting the lightbox.......................................... 68 Keeping the original lightbox.............................. 67 Removing images.............................................. 68 Saving the lightbox............................................. 67 M Marking a region with an arrow............................. 132 MColor..................................................................... 82 Measuring distances............................................. 129 Measuring the diameter of a region...................... 133 Movies................................................................... 149 Acquiring movies.............................................. 100 Analysis window............................................... 149 Computing composite fundus movies.............. 171 Computing movies........................................... 170 Correcting the eye movements........................ 150 Displaying eye movements.............................. 150 Exporting movies............................................. 169 Extracting images out of a movie..................... 149 MultiColor Acquiring MultiColor cSLO Images.................. 118 Acquisition mode................................................ 82 Myopic lens............................................................. 73 N Noise reduction..................................................... 126 Not compared to last visit...................................... 124 G Graphic file format for XML export........................ 124 H HEYEX Database window............................................... 37 Disable plug-ins................................................. 33 Enable plug-ins.................................................. 33 Image viewing window....................................... 39 Installing plug-ins............................................... 33 Starting HEYEX................................................. 35 High magnification images...................................... 95 15° scan angle................................................... 95 20° scan angle................................................... 95 30° scan angle................................................... 95 HRA patient timer log.............................................. 94 I ICGA....................................................................... 81 Image brightness and contrast.............................. 124 cSLO image brightness.................................... 125 cSLO image contrast....................................... 125 Image brightness control......................................... 75 Automatic image brightness control................... 75 Manual image brightness control....................... 75 Image information................................................. 128 Image thumbnails HRA................................................................. 143 Image viewing window Continuing examinations.................................... 56 Deleting images................................................. 57 Graphical user interface..................................... 39 Lightbox............................................................. 67 Locking examinations........................................ 76 Setting display options................................. 32, 41 Unlocking examinations..................................... 76 200 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Index 17 O OCT cache size..................................................... OCT color scale Black on white.................................................. Color................................................................ White on black................................................. OU reports Printing OU reports.......................................... 124 123 123 123 159 Overlays................................................................ 129 Arrow tool......................................................... 132 Diameter tool.................................................... 133 Distance measurement tool............................. 129 ETDRS grid...................................................... 134 Properties......................................................... 135 Region tool....................................................... 130 Remove all overlays......................................... 137 Remove an overlay.......................................... 137 Shortcuts.......................................................... 129 Show all overlays............................................. 129 Text tool........................................................... 132 P Patient data............................................................. 42 Patient files Advanced search............................................... 52 Allergies............................................................. 58 C-Curve.............................................................. 42 Correcting comments......................................... 60 Correcting examination data.............................. 61 Correcting patient data....................................... 57 Country of birth.................................................. 58 Country of residence.......................................... 58 Creating a new patient file................................. 42 Deleting a diagnosis........................................... 62 Deleting a study................................................. 61 Deleting patient files........................................... 57 Duplicates.......................................................... 42 Entering additional data..................................... 58 Entering a detailed anamnesis........................... 60 Entering a diagnosis printed on reports............. 62 Entering comments not printed on reports......... 60 Entering examination data................................. 61 Entering patient data.......................................... 57 Entering study information................................. 61 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Examination data............................................... Eye data............................................................. Height................................................................. Insurance........................................................... Loading search queries...................................... Moving Images between patient files................. Opening a patient file......................................... Patient data........................................................ 42 42 58 58 54 64 45 42 Quick search...................................................... 50 Referring physician............................................ 58 Renaming a study.............................................. 61 Renaming patient files....................................... 57 Searching patient files from today...................... 51 Selecting all patient files.................................... 48 Selecting a patient file........................................ 45 Selecting multiple patient files............................ 47 Smoking status.................................................. 58 Weight................................................................ 58 Preparations Preparing the device.......................................... 29 Preparing the patient.......................................... 30 Printing OU reports............................................... 159 Printing reports...................................................... 157 Printing from the analysis window.................... 159 Printing from the image viewing window.......... 157 Printing from the lightbox................................. 159 R Red free.................................................................. 81 Reports Customizing header and footer........................ 156 Customizing reports......................................... 156 OU reports....................................................... 159 Overview report................................................ 161 Printing reports................................................. 157 S Scan angle.............................................................. 95 15°...................................................................... 95 20°...................................................................... 95 30°...................................................................... 95 Scan resolution mode High resolution................................................... 75 High speed......................................................... 75 201 17 Index Searching patients Advanced search............................................... Applying a database filter................................... Deleting a database filter................................... Duplicates and conflicts..................................... Loading search queries...................................... Patients with duplicate name and date of birth. . Patients with duplicate patient-ID....................... 52 52 53 52 54 52 52 Patients with missing patient-ID......................... 52 Quick search...................................................... 50 Saving a database filter..................................... 53 Searching patient files from today...................... 51 Selecting acquisition modes.................................... 82 Show "custom settings" buttons............................ 123 Show image IDs.................................................... 124 Show most recently used analysis........................ 123 Simultaneous fundus images................................ 146 Analysis window............................................... 146 Splitting simultaneous fundus images into single images................................................... 146 Software protector................................................... 14 Sort examinations by examined structure............. 124 Sort examinations by image ID............................. 124 Sort examinations by time..................................... 124 SPECTRALIS Device Components....................................................... 27 Preparations....................................................... 29 Shut-down procedure......................................... 28 Start procedure.................................................. 28 Stereo fundus images........................................... 147 3D view............................................................ 147 Acquiring stereo fundus images....................... 110 Analysis window............................................... 147 Intensify 3D view.............................................. 147 Red-cyan 3D Glasses...................................... 147 Stereo viewing glasses.................................... 147 Stereo pair............................................................. 110 Studies.................................................................... 61 Deleting a study................................................. 61 Entering a study................................................. 61 Renaming a study.............................................. 61 202 T Tomographies Performing a tomography................................ 114 Touch panel Automatic image brightness control................... 73 Composite.......................................................... 72 Composite 3x3................................................... 72 Fixation light....................................................... 71 High resolution HR............................................. High speed HS................................................... Injection timer..................................................... Laser intensity.................................................... Manual image brightness control....................... Mean.................................................................. Movie................................................................. Myopic lens........................................................ Selecting acquisition modalities......................... Selecting acquisition settings............................. Selecting a Fixation Light................................... Stereo pair......................................................... Tomography....................................................... 73 73 71 71 73 72 72 73 72 73 83 72 72 U User Account Management Changing the password..................................... 36 V Viewing preferences Analysis center options.................................... 123 Data export options.......................................... 124 Default image settings..................................... 123 Miscellaneous options...................................... 124 Setting viewing preferences............................. 123 W Writing text into an image...................................... 132 Z Zoom and pan mode Display the originally acquired pixels as blocks............................................................... 140 Fit the window.................................................. 139 Fixed zoom factor............................................ 139 Pan mode......................................................... 140 Shortcuts.......................................................... 140 Unsmoothed pixels.......................................... 140 Zoom factor...................................................... 139 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Index 17 Zoom functions................................................ 140 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US Zoom in............................................................ 140 Zoom out.......................................................... 140 203 204 © Heidelberg Engineering GmbH, Art. Nr. 97327-005 US
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