STEREOPSIS BUTTERFLY TEST – STANDARD by Good-Lite Price US$POA Supplier/s Good-Lite Supplier Code STEREOPSIS BUTTERFLY TEST - STANDARD ( IAPB ) Country of Origin United States of America Request a quote Product Description A stereopsis test featuring basic shapes and a butterfly that is designed to rapidly test for amblyopia & strabismus using gross thru fine stereopsis (2500 to 20 sec of arc). Product Features Graded circle test from 800 sec now down to 20 sec No monocular clues New & improved booklets Answer key on the back cover Includes polarized viewers Share: