ETDRS Low Contrast Letter Charts

ETDRS Low Contrast Letter Charts

500022
  • $74.95
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ETDRS low Contrast Sloan Letter, vision chart with proportionally spaced (geometric progression) lines translucent low Contrast letter chart with line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. Available in 5 Contrast levels: 1.25%, 2.5%, 5%, 10% and 25%. Chart size is 24.5" x 25.5" (62 cm x 65 cm).

The 2.5% Contrast Charts is offered in 2 versions (500021 & 500021A). Both charts have a 2.5% Contrast level but the optotypes are scrambled for repetitive testing situations.

13 feet, 4 meters testing distance.

Note: This chart can only be used with our ESV3000 or ESC2000 illuminated ETDRS cabinet.

Click here for the 500020 Answer Key.

Click here for the 500021A Answer Key.

Click here for the 500021 Answer Key.

Click here for the 500022 Answer Key.

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