Stereo Butterfly Depth Perception Stereopsis Test
Special Features
- Tests for and evaluates gross stereopsis and depth perception
- Includes random butterfly test, graded circle test, animal testing, and stereo glasses
- No monocular clues to discourage guessing
- Graded circle test (800 to 40 seconds of arc)
- Animal test for children (400 to 100 seconds of arc)
- 1 pair of Standard 3-D Viewers Included
- Answer key on back cover
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