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Stereo Butterfly Test

Item #: SO1000

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Gross and fine stereopsis test helps identify amblyopia, suppression and strabismus without monocular clues. 3D vectographic Random Dot Butterfly is especially useful in testing young children.

Test 3 levels of stereopsis:
Top upper wings 2000 seconds of arc
Bottom of lower wings 1150 seconds of arc
Tip of abdomen at 700 seconds of arc

Tests and evaluates random dot stereo depth perception for both gross stereopsis (2500 to 1200 seconds of arc) and fine depth perception.
Graded circle test (800 to 40 seconds of arc).
Animal test for children (400 to 100 seconds of arc).

Test includes:
  • 1 pair of Standard 3-D Viewers
  • Answer Key on the backk cover
  • Call Toll Free 1-800-348-2225 or (574) 259-2070

    Fax to (574) 259-2102 or (574) 259-2103