OCULUS Easygraph 70620 User Manual

Instruction Manual Easygraph
Page 3
1 Table of Contents
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

OCULUS Easygraph 70620 Specifications

General

Brand	OCULUS
Model	Easygraph 70620
Category	Medical Equipment
Language	English