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Standardized format used in National Eye Institute clinical studies and in low vision evaluations that require accurate and repeatable visual acuity measurements
Chart measures 24
line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent
ETDRS eye chart - Original series chart R with proportionally spaced (geometric progression) lines
Prüfung des Konvergenzexzesses und der AC/A ratio
ETEDRS-Originalserie 4 m – SLOAN-Buchstaben Tafel „R“ category_33715 Standardized format used in NationalTranslucent LogMAR standard chart for 4 m distance. VA: from 0. 10 to 2. 00, Format: 62 cm x 65 cm Good Lite: 500013 ETDRS eye chart Original series chart R with proportionally spaced (geometric progression) lines; line sizes range from 20 200 to 20 10 (6 60 to 6 3) equivalent. Standardized format used in National Eye Institute clinical studies and in low vision evaluations that require accurate and repeatable visual acuity measurements. Chart
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