Butterfly Including LEA Symbols
Stereo depth perception tests are an effective and easy to use method of screening stereoscopic vision for all ages. They help to detect visual problems such as stereopsis, amblyopia, suppression and strabismus.
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Cleaning
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.
FEATURES INCLUDE:
- Tests and evaluates random dot stereo depth perception for both gross stereopsis and fine depth perception
- Graded circle test (800 to 40 seconds of arc)
- LEA symbols for children (400 to 100 seconds of arc)
Test includes:
- 1 pair of Standard 3-D Viewers
- Answer key on back cover
Stereo Optical Product Catalog
Butterfly with LEA Symbols
STEREOTEST BOOKLET CARE INSTRUCTIONS:
Please bring your stereotest booklet to room temperature before it is used. Immediate use right out of the box when outside temperatures are cold may cause the vinyl material to crack. Also please do not bend the booklet in half so as to avoid breakage. When you take extreme care of your booklet, it should last you many years.