ETDRS Visual Acuity Charts

CompanyGood-Lite (Formerly Richmond Products, Inc.)Good-Lite (Formerly Richmond Products, Inc.)
ItemOriginal Series ETDRS Translucent Distance Charts (13 Feet, 4 Meter)LEA Numbers® ETDRS Translucent Distance Chart (13 Feet, 4 Meter)
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DescriptionProportional spaced (geometric progression) line sizes from 20/200 to 20/10 (6/60 to 6/3 equivalent). Standardized format used in National Eye Institute-sponsored studies. Used in clinical studies and low vision evaluations where accurate and LEA Numbers® distance visual acuity test for the ETDRS Illuminator Cabinet. Proportiona; spaced line sizes from 20/200 to 20/8 (6/60 to 6/2.4 equivalent). 24.5" x 35.5" (62 cm x 65 cm).
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Product Number500013 (Chart "R")
500014 (Chart "1")
500015 (Chart "2")		270200
Chart NumberChart "R"
Chart "1"
Chart "2"		Inquire
Testing Distance13 Feet, 4 Meter13 Feet, 4 Meter
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