Fly Stereopsis Test - Butterfly Stereopsis Test

3° degree - Stereopsis

FLY STEREOPSIS TEST

Ref. 08412

• Rapid test for amblyopia and strabismus • Traditional Fly picture testing Gross Stereopsis • 10 levels of 4 circle disparity for critical testing • Graded circle test from 400 seconds down to 20 seconds (with no monocular clues) • Fine stereopsis (400 to 100 seconds of arc) measuring 3 Gross levels of disparity using the internationally recognised Symbols - Square, Circle, Plus and Triangle • Ideal for both children and adults including non-reading and non-verbal • New easy-to-hold booklet • Answer key on back cover • Instructions included.

Includes 1 adult and 1 child’s polarized goggles

STEREO BUTTERFLY TEST

Ref. 08413

• Rapid test for amblyopia and strabismus • Traditional Butterfly picture testing Gross Stereopsis • 10 levels of 4 circle disparity for critical testing • Graded circle test from 400 seconds down to 20 seconds (with no monocular clues) • Fine stereopsis (400 to 100 seconds of arc) measuring 3 Gross levels of disparity using the internationally recognised Symbols - Square, Circle, Plus and Triangle • Ideal for both children and adults including non-reading and non-verbal • New easy-to-hold booklet • Answer key on back cover • Instructions included.

Includes 1 adult and 1 child’s polarized goggles