Original Randot Stereotest from Stereo Optical Company, Inc.

Test and Evaluate Stereo Depth Perception from Random Dot Backgrounds (500 and 250 sec of arc).

The Test Includes:

• Graded Circle Test (400 to 20 sec of arc)
• An Animal Test for Children (400 to 100 sec of arc)
• 1 Pair of Standard 3-D Viewers