#1001121897 | Mfg #920000 | Diagnostic Instruments and Supplies
Eye Exam Instrument Good-Lite® Tangent screen test Screen Wand
WAND, SCREEN TANGENT 18"
Test objects are inserted into the fabric leaving only the object visible
Product Specifications
Description
Half turn rotation obscures the test object behind the wand
Alternating the rotation, objects can be made to disappear and reappear for confirmation response