Stereo Butterfly Test - Depth Perception

Product Details

Evaluated random dot stereo depth perception for both gross and fine stereopsis and fine depth perception. Test book includes: graded circle test (800 to 40 seconds of arc), animal test for children (400 to 100 seconds of arc), and one pair of 3-D viewers. Measures: 6.5" x 8.5". Comes as singles.

Sold by and fulfilled by Keeler USA. For detailed indications, usage, and handling information, please refer to the product package insert.