Overview of Visual Acuity Computerized Eye Chart Software
The software is quite simple to use. It can be used with a wireless remote (sold separately) or with a wired keyboard.
The instructions are:
There are a number of features built in. Please use this guide to assist you.
To select different sizes press Up arrow or PageUp and Down arrow or PageDown
To select different charts press the Left and Right arrows
Press ‘A’ to Toggle the Arrows
Press ‘B’ to blank the screen
Press ‘C’ to toggle between chart mode and row mode
Press ‘M’ to toggle the ‘Mask’
Press ‘R’ to toggle the Red/Green filter
Press ‘F’ to toggle ‘Fixation Target’: 1 dot, small diamond, large diamond, off
Press ‘W’ to toggle ‘Worth 4 Dot’
Press ‘S’ to Calibrate
Download CVAT.zi~ file to a Flash Drive or to a folder on your hard drive. Rename it CVAT.zip and use a suitable program to unzip the file.
Run the setup.exe file by double clicking on it. You can install in any directory. The default is C:\Program Files\LlednekWare\
It is a simple and reliable program and I anticipate it will serve your needs well.