Stereo Butterfly Test
Brand: Stereo Optical
Butterfly Stereotest is an easy-to-administer, rapid, and effective test for all ages, particularly well-suited for children.
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.
- 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 and answer key
Free shipping is only available for online orders in the continental United States.
Certain exclusions apply.
Exclusions include, but are not limited, to the following products:
Acuity Systems & Projectors, Chair & Stand Accessories, Autorefractors, Lensmeters, Keratometers, Portable Slit Lamps, Stools, Tables, Tonometers, Trial Lens Sets.