Tumbling E ETDRS Chart for ESV3000 and ESC2000500061
An Illiterate E ETDRS chart vision chart with proportionally spaced (geometric progression) lines; line sizes range from 10/100 to 10/5 (3/30 to 3/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Fits into the ESC2000 Illuminated ETDRS Clinical Trial Cabinet and ESV3000 ETDRS Clinical Trial Standardized Viewer.
Dimensions: 24.5" x 25.5" (62 cm x 65 cm).
Testing distance: 10 feet/3 meters.Click here for the 500061 Answer Key.