A Sloan Letter ETDRS contrast chart with 2.5% contrast and proportionally spaced (logMAR) lines; line sizes range from 13/131 to 13/6.5 (4/40 to 4/2 equivalent) with letter size, 20 foot, 6 meter, LogMar, and decimal notations. 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.
Note: All products sold on Accuspire.com should be used by qualified clinician and should be purchased by or on order of a qualified clinician.
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