Original Series ETDRS Translucent Distance Charts, for 6.5 feet/2 meters500038
Original Series ETDRS Distance Charts made for 6.5ft/2m testing distance. Features optotypes with proportionally spaced (logMAR) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent, 0.10 to 2.00. These are part of the revised versions of the original ETDRS series based on more recent research.
Available variants are Chart R, Chart 1, and Chart 2. All charts are screen printed on styrene plastic and clear coated for long-lasting durability.
Dimensions: 24.5" x 25.5" (62 cm x 65 cm).
Testing distance: 6.5 feet/2 meters.