Designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children & adults. Expanded Random Dot 3S with easy symbols tests gross disparity at 900, 650, 500 and 400 seconds of arc. Test children at 400, 200, 100 seconds of arc. Graded circle test now down to 12.5 seconds with no monocular clues. New improved booklet has answer key on back cover and includes polarized viewers.
Expanded Random Dot Stereoacutiy Test
Critical testing from 160 to 12.5 seconds of arc
No monocular clues with NEW technology
New improved booklet
Imprinted images inside booklet for matching
Answer Key on back cover
Includes both adult and pediatric polarized viewers