THE BUTTERFLY-S

SKU: DP-5040 Brand: Category: Stereo Tests

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Rapid test for amblyopia & strabismus using gross thru fine stereopsis
Random Dot Butterfly image for testing gross steropsis (2000 seconds of arc)
Graded Circle Test from 400 seconds down to 20 seconds of arc
Shapes for testing children at 400, 200 & 100 seconds of arc
New technology eliminates monocular clues
Answer Key on back cover
Includes: Manual and both Pediatric & Standard Polarized Viewers

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