Description
Special order item only, no returns accepted.
Please allow approximately 3-4 weeks for supply.
- 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 mononocular 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