Once you contact Vision Medical with a requirement we will promptly package and ship your item within 24 hours. If not in our inventory we will procure in a timely manner providing a realistic ETA.
SO1-SO005
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.
