CHOOSE STEREOPSIS

If this is the first time playing, choose Qualify.

3D can not be seen without the RED/CYAN Glasses.

Subject touches the TOP fused circle appearing to be coming out of the screen towards the subject wearing RED/CYAN glasses

If patient fails to see image, advance to a smaller 3D image, such as, 640 seconds of arc. Some people can't fuse very large 3D images.

Scroll Down to starting point 3200 to 40 seconds of arc. Saves time but risks the need to restate at a larger level.

Subject must achieve this level to prevent error message and restarting.

Need RED/CYAN glasses to see 3D.

Subject failed to achieved the 80 seconds of arc selection, choose large 3D image to start.

Larger starting point

Final result 40 Seconds of Arc, see the 40 in the right lower corner. Also seen in Results Page.