Stereo Fly Test Chart Stereopsis And Fine Depth Perception Eye Test Stereotests

US $640

Amherst, Massachusetts, United States
Mar 26th

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Stereo Fly Test Chart Stereopsis and Fine Depth Perception Eye Test Stereotests Vintage stereotest Titnus Optical company inc fly chart. Does not include glasses. Dark blue cover booklet. Spine is detached. Some wear as photographed. Recognized as the Standard for stereo depth perception testing. Test allows easy evaluation of both gross and fine stereo vision. Folder includes: House fly test for gross stereopsis, graded circle test (800 to 40 seconds of arc), animal testing for young children (400 to 100 seconds of arc). Fly features 3500 to 40 seconds of arc. This test is produced by: Stereo Optical Company, Inc. This Stereo Fly test is designed for the evaluation of both gross stereopsis and fine depth perception. The Stereo Fly test is used as a standard in stereo testing. The large image of the fly is useful for testing children, as they respond to large objects or pictures well. Test also features targets and animals for further stereo testing. This helps prevent guessing and creates a more reliable stereo vision test. See my other listings. I combine shipping.

Condition:	Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...	Brand	Optical Company Inc
Country/Region of Manufacture	United States