Good-Lite ETDRS Original Series

by: Good Lite
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$82.36

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SKU GLT00394

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ETDRS Original Series Chart 1

Original series ETDRS vision chart 1 can be displayed in the Good-Lite illuminating light box with the chart having 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)