Stereo Optical Launches 3 Stereotests Including LEA Symbols
New Tests to Screen Young Children Add to Extensive Product Line Dallas, TX, Essilor Instruments today announced the launch of three stereotests including LEA Symbols, the Original Stereo Fly, Butterfly, and Randot®, by its Stereo Optical division. Stereo depth perception tests are an effective and easy-to-use method of screening stereoscopic vision for all ages. The…