Stereoacuity depth preception test designed to be used at 10ft/3m to easily test for amblyopia and strabismus in early and non-readers and non-verbal children and adults. Distance uses simple shapes with answers printed clearly on back of each card. Stereopis levels included in the set are 400, 200, 100 and 63 seconds of arc with matching Blank card. A demostration card is also included. The Distance Stereo Test cards contain no monocular clues.

The test set contains distance stereo cards, both adult and pediatric polarized viewers and carrying case.

10ft/3m testing distance.