ETDRS, Original Series Chart 2

ETDRS, Original Series Chart 2

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Adult Original Series ETDRS, Sloan Letter vision chart 2 can be displayed in the illuminating light box with the chart having with proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. Standardized format used in National Eye Institute clinical studies and in Low Vision evaluations that require accurate and repeatable visual acuity measurements. Chart measures 24.5" x 25.5" (62 cm x 65 cm).

13 feet, 4 meter testing distance.

Click here for the 500015 Answer Key.

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