LEA SYMBOLS®/E Low Contrast Chart Set
A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 3. This eye chart has two 2.5% low contrast sides. The front side of the...
A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 21/2. This eye chart has two 2.5% low Contrast sides. The front side of the eye chart features pediatric symbols in proportionally spaced lines (ETDRS format) for monocular (testing one eye with the other eye occluded) and binocular (testing both eyes simultaneously) visual acuity testing or screening. The backside features proportionally spaced E and C Charts. Comes with a response key.
The LEA SYMBOLS® side features line sizes ranging from 10/100 to 10/4 (3/30 to 3/1.2) equivalent. The Landolt C side has line sizes from 10/100 to 10/5 (3/30 to 3/1.5) equivalent. The other equivalents featured on both sides of this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR.
Dimensions: 17" x 21" (43 cm x 53 cm).
Test 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.
A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 3. This eye chart has two 2.5% low contrast sides. The front side of the...
A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 21/2. This eye chart has two sides. The front side of the eye chart...
A low contrast test is a special way to measure how well eyes function in low light situations and/or are able to distinguish objects from similarly colored or shaded backgrounds. Testing is...
A test for quickly measuring low contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% contrast by measuring the distance at which the symbols are seen. 10M symbols correspond to visual acuity 0.10...
This test is designed for testing children and adults with visual impairment at a distance of one meter. The largest symbols are 50M in size, corresponding to 1m/50M = to 1/50 or decimal visual...
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