Instructions Cover your left eye with your hand. Stare at the red dot in the center. Move your head towards the screen until the white spot magically disappears. This is normal. (here is an explanation why this happens) To find additional blind spots (which you shouldn't have) keep staring at the red dot and use the arrow keys on your keyboard to move around the green blinking dot. Whenever you don't see the green blinking spot, hit enter. This spot will be marked. Once you found all your blind spots, copy the address of this website for future reference (the result is automatically stored in the url). Click here if you want to test your left eye. Click here if you want to test your right eye. Click here to clear all marked blind spots Copyright 2010 by Andrin von Rechenberg