Stereopsis

  • Butterfly_Stereopsis_Test_lg
    Designed to rapidly test for amblyopia and strabismus using gross thru fine stereopsis (2500 to 20 seconds of arc). Graded circle test from 400 seconds now down to 20 seconds with no monocular clues. New improved booklet has answer key on back cover and includes polarized viewers.
    • Graded circle test from 400 seconds now down to 20 seconds
    • No monocular clues with NEW Technology
    • New improved booklet
    • Answer key on back cover
    • Includes both adult and pediatric polarized viewers
  • Fly_Stereopsis_Test_LEA_lg

    Designed to rapidly test for amblyopia and strabismus using gross thru fine stereopsis (4800 to 20 seconds of arc). Graded circle test from 400 seconds now down to 20 seconds with no monocular clues. New improved booklet has answer key on back cover and includes polarized viewers.

    • Graded circle test from 400 seconds now down to 20 seconds
    • No monocular clues with NEW technology
    • New improved booklet
    • Answer key on back cover
    • Includes both adult and pediatric polarized viewers
  • Frisby Stereo Test - 3 Plates
    All Frisby Stereo Test Present "real depth" objects viewed with natural vision: no testing glasses are required. Each plate has four random-pattern squares with a circle of pattern elements lying in depth relative to its surround. The depth effect is due to the circle and its surround being printed on opposite sides of the plate. The Frisby Stereo Test has 3 plates allowing for testing stereo acuity disparity as fine as 15 seconds of arc.
  • Frisby Stereotest Screening    frisby stereotests,  with no need for special glasses, and suitable for screening young children Made in UK
    Purpose  : To demonstrate stereopsis
    Age Range : About 6 months to adult
    Administration : About 1-5 minutes
  • Random_Dot2_lg
    Designed to rapidly test for amblyopia and strabismus in early and non-readers and non-verbal children& adults. Expanded Random Dot Lea Symbols Test (500, 250, 125 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 Lea Symbols Test
    • Graded circle test now down to 12.5 seconds
    • 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