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Butterfly Stereotest

The Stereo Butterfly tests and evaluates random dot stereo depth perception for both gross stereopsis (2500 to 1200 seconds of arc) and fine depth perception. The figures present on the test cannot be identified without viewing glasses.

SO1-SO005

FEATURES INCLUDE:

  • 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 back cover

For stereotests and 3-D viewers/glasses, clean and disinfect the surface area gently with disinfectant wipes or a soft, slightly damp, and lint-free cloth with 70% isopropryl alcohol. Never spray alcohol directly on the surfaces.