LEA SYMBOLS® Single Symbol Book Set
The Single Symbol Book is designed for testing children and adults who have difficulties perceiving symbols in lines. The visual acuity values measured with single symbols are often several lines...
A handheld pediatric vision chart with LEA SYMBOLS® designed for amblyopia testing or screening. The 50% spaced rectangles (Massachusetts Visual Acuity Test format) have line sizes from 20/80 to 20/16 (6/24 to 6/4.8) equivalent. This flip chart has offset 10 pages for easy flipping. Includes a response key.
Dimensions: Width 10" x Length 3.56" (25.4 cm x 9.04 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 Single Symbol Book is designed for testing children and adults who have difficulties perceiving symbols in lines. The visual acuity values measured with single symbols are often several lines...
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...
The LEA SYMBOLS® 2.5% Single Symbol Book Set is a low contrast tool to measure visual acuity in low-light environments. The testing procedure is identical to measuring visual acuity at high...
This test is designed for amblyopia screening and testing children who have difficulties when tested with the standard distance charts (#250250 or #250150). The background is gray with the...
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...
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