Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 1 (10ft/3m)

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The 2000 Series ETDRS Sloan Letter vision chart 1 features proportionally spaced (geometric progression) lines; line sizes range from 10/100 to 10/5 (3/30 to 3/1.5) equivalent. Oth er equivalents on this chart are letter size, 20 foot, 6 meter, deimal, and LogMAR. This chart is part of the revised versions of the original ETDRS series with each line being equally difficult. You can use this chart with the ESV3000™ ETDRS Clinical Trial Standardized Viewer or the ESC2000™ Illuminated ETDRS Clinical Trial Cabinet. Additional Resources Show more