A handheld vision test with LEA SYMBOLS®. This test features 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Features optotype line sizes from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used for vision testing of illiterate adults or geriatric patients. Includes a response key, instructions, and 17 pages.
Dimensions: 4" x 4" (10.2 cm x 10.2 cm).
Testing distance: 10 feet/3 meters.
Note: All products sold on Accuspire.com should be used by qualified clinician and should be purchased by or on order of a qualified clinician.
The Crowded Symbol Book is designed for testing children and adults who have difficulty reading the optotypes on the big charts. This test is the smallest line test when the central symbol is used as...
A handheld vision test with LEA SYMBOLS®. This test features 50% spaced contour interaction bars at 2.5% contrast to provide single optotype acuity with the proper crowding effect. Optotype line...
A handheld vision test with LEA NUMBERS® optotypes featuring 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes range from...
A set of 30 pediatric acuity cards featuring 2 of the LEA SYMBOLS® optotypes with 50% crowding bars. Each card contains a single symbol with line sizes ranging from 20/200 to 20/8 (6/60 to 6/2.4)...
A LEA SYMBOLS® response panel with 50% spaced crowding bars. This can be used with any LEA SYMBOLS® Crowded screening or testing chart. Note: All products sold on Accuspire.com should be...
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