Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter

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2000 Series ETDRS Distance Charts made for 6.5ft / 2m testing distance. Optotypes are in proportionally spaced (logMAR) lines; line sizes range from 6.5/65 to 6.5/3.2 (2/20 to 2/1) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These charts are part of the revised original ETDRS series based on more recent research. On the revised versions of the original ETDRS series charts, each line is equally difficult. Charts available are ETDRS Chart 1, Chart 2, and Chart 3. All charts are screen printed on styrene plastic and clear coated for long-lasting durability. ESV3000™ ETDRS Clinical Trial Standardized Viewer and ESC2000™ Illuminated ETDRS Clinical Trial Cabinet compatible. Additional Resources What is ETDRS? Show more