Stereo Butter Fly Acuity Test W/Pediatric & Standard Polarized Viewer
$276.00
Description
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
