| Description |
The Stereo Butterfly tests and evaluates random dot stereo depth perception for both gross stereopsis (2500 to 1200 seconds of arc) and fine depth perception. The figures present on the test cannot be identified without viewing glasses.
Features:
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Tests stereopsis from 800 to 40 seconds of arc on patients as young as 2 years of age in a matching game sequence from left to right.
Randot Preschool includes 3 test booklets:- Book #1: 200 and 100 sec of arc
- Book #2: 60 and 40 sec of arc
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