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Recognized as the standard for stereo depth perception testing
Test allows easy evaluation of both gross and fine stereo vision
Test includes: House fly test for gross stereopsis (3500 to 40 seconds of arc)
graded circle test (800 to 40 seconds of arc)
animal testing for young children (400 to 100 seconds of arc)
1 pair of standard 3-D viewers
and answer key on back cover
This test is produced by: Stereo Optical Company
Inc. Randot is a registered trademark of Stereo Optical Company
