Table Of Contents - OCULUS Easygraph 70620 Instruction Manual

0 Foreword........................................................................................................................................... 2
1 Table of Contents ............................................................................................................................. 3
2 Scope of Supplies and Optional Accessories................................................................................... 5
3 Safety Precautions ........................................................................................................................... 6
4 Description of the Unit and its Functions.......................................................................................... 7
5 Appropriate Use / Intended Application............................................................................................ 7
6 Start-up ............................................................................................................................................. 7
6.1 Directions for Transport and Storage ........................................................................................ 7
6.2 Before First Use ........................................................................................................................ 8
6.3 Components of the Device ........................................................................................................ 8
6.4 Installation ................................................................................................................................. 9
6.5 Electrical Connection................................................................................................................. 9
6.6 Installation of Software ............................................................................................................ 10
6.6.1 General ............................................................................................................................ 10
6.6.2 Installation of the USB driver ........................................................................................... 10
6.6.3 OCULUS - Bootloader..................................................................................................... 11
6.6.4 OCULUS - Easygraph ..................................................................................................... 12
6.6.5 Switch off the USB-Powersaving ..................................................................................... 13
7 Operation ........................................................................................................................................ 14
7.1 Before the Examination ......................................................................................................... 144
7.2 After every Examination .......................................................................................................... 15
7.3 Starting Patient Data Management ......................................................................................... 15
7.4 Patient Data Management ...................................................................................................... 15
7.4.1 Selection of a Patient ....................................................................................................... 15
7.4.2 Entering a New Patient .................................................................................................... 16
7.4.3 To Start the Examination Program................................................................................... 16
7.4.4 Deleting / Moving Examination Data................................................................................ 16
7.4.5 Patient Data ..................................................................................................................... 17
7.4.5.1 Rename Patient ........................................................................................................ 17
7.4.5.2 Deleting Patient Data................................................................................................ 17
7.4.5.3 Exporting Patient Data.............................................................................................. 17
7.4.5.4 Importing Patient Data .............................................................................................. 18
7.4.6 Backup Copies of Data .................................................................................................... 19
7.4.6.1 Backing Up Data ....................................................................................................... 19
7.4.6.2 Data Restoration ....................................................................................................... 19
7.4.6.3 Auto-Backup ............................................................................................................. 19
7.4.7 Changing Settings............................................................................................................ 20
7.5 The Examination Program....................................................................................................... 21
7.5.1 How to Carry Out a Measurement ................................................................................... 21
7.5.2 Using Different Types of Display to Evaluate Examination.............................................. 23
7.5.2.1 Overview Display ...................................................................................................... 23
7.5.2.2 Color Map large ........................................................................................................ 25
7.5.2.3 3D Cornea................................................................................................................. 25
7.5.2.4 Fourier Analysis ........................................................................................................ 27
7.5.2.4.1 Applications of the Fourier Display Mode in Keratokonus .................................... 29
7.5.2.5 Zernike Analysis (optional) ....................................................................................... 31
7.5.2.5.1 General ................................................................................................................. 31
7.5.2.5.2 Zernike Analysis Using the Easygraph ................................................................. 33
7.5.2.5.3 Zernike Fit Parameters ......................................................................................... 34
7.5.2.5.4 Zernike: Normal Values and Aberration Coefficient ............................................. 34
7.5.2.5.5 Zernike 2D Display Mode ..................................................................................... 35
7.5.2.6 Indices (optional)....................................................................................................... 36
7.5.2.6.1 Vertical Decentration............................................................................................. 39
7.5.2.7 Refractive Display Mode........................................................................................... 40
7.5.2.8 Height Data ............................................................................................................... 42
7.5.2.9 Camera Image .......................................................................................................... 45
7.5.2.10 Refractive Compare .................................................................................................. 45
7.5.2.11 Comparing Examinations.......................................................................................... 47
7.5.3 Contact Lens Fitting (optional) ......................................................................................... 48
Instruction Manual Easygraph
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Table of Contents

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