ETDRS Original Series Chart 2

ETDRS Original Series Chart 2

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The Adult Original Series ETDRS Sloan Letter vision chart 2 can be displayed in the ESV3000 illuminated cabinet. The chart features proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. Features a standardized format used in National Eye Institute clinical studies and in Low Vision evaluations that require accurate and repeatable visual acuity measurements.

Dimensions: 24.5" x 25.5" (62 cm x 65 cm).

Testing distance: 13 feet/4 meters.

Click here for the 500015 Answer Key.

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