Chart(Distance): ESV3000™ and ESC2000™ - ETDRS 2000 Series - Sloan Letter - Chart 1 (5ft/1.5m)
$59.75
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2000 Series ETDRS Distance Charts made for 5ft/1.5m intermediate testing distance. Optotypes are in proportionally spaced (logMAR) lines. Line sizes range from 6.5/65 to 6.5/32 (20/200 to 20/10). 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. Click here for the Answer Key.
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