北京思博特医疗器械有限公司

Lea Symbols/E Low Contrast Chart Set

Pediatric distance visual acuity eye chart featuring LEA Symbols for screening or testing individuals starting at age 2 1/2. This eye chart has two 2.5% low contrast sides. The front side of 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 back side features proportionally spaced Tumbling E. Comes with response key and flash cards.

For testing at 10 feet.