Illiterate Tumbling E ETDRS vision chart with proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent.
Tumbling E ETDRS Chart for ESV3000 and ESC2000
Testing Distance:10 feet, 3 meter testing distance
Chart measures: 24.5″ x 25.5″ (62 cm x 65 cm)
