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LEA SYMBOLS® & TUMBLING E LOW CONTRAST CHARTS SET

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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 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 second side features proportionally spaced Tumbling E. Includes a response key.

The LEA SYMBOLS® side features line sizes ranging from 10/100 to 10/4 (3/30 to 3/1.2). The Tumbling E side features line sizes ranging from 10/100 to 10/5 (3/30 to 3/1.5). The other equivalents featured on both sides of the chart are letter size, 20 foot, 6 meter, decimal, and LogMAR.

Dimensions: 17" x 21" (43 cm x 53.4 cm).

Testing distance: 10 feet/3 meters.

PDF DocumentPrzelicznik skali Decimal/Snellen.

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