Visual Acuity Test

Visual Acuity Test is an application to measure your eyesight.
At a fixed distance, you choose the direction of the opening in the landolt ring.
The distances can be set to either 0.5m, 1m, 3m, or 5m. Your eyesight will then be measured between 20/200 and 40/20.(depend on distance and screen size.)

Recent changes:
improve help.