Tumbling E ETDRS Chart

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.