Tumbling E ETDRS Chart500044
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An illiterate ETDRS chart with Tumbling E and proportionally spaced (logMAR) line size range from 13/131 to 13/6.5 (4/40 to 4/2) equivalent, 0.10 to 2.00. Fits all standardized ETDRS viewers. These charts fit in the ESV3000 ETDRS Standardized Viewer and ESC2000 Illuminated Cabinet.
Dimensions: Height 24.5" x Width 25.5" (62 cm x 65 cm).
Testing distance: 13 feet/4 meters.Click here for the 500044 Answer Key.