Units in Snellen, log Mar and Decimal Multiple and Single Line Charts Single Character or Line with Surround Calibrated/Sizable 4-Dot Test Red/Green Charts with Isolation Calibrated Astigmatic Dial with Indicator Contrast Testing Animated Fixation Device with Features Audible Feedback Video Clips and Multiple Sets Blank Screen (Dark Mode)
Included wireless keyboard offers an additional way to control the system.
Originator of high resolution, computerized vision testing since 1994.