ETDRS Low Contrast LEA NUMBERS<sup>®</sup> Clinical Trial Charts

ETDRS Low Contrast LEA NUMBERS® Clinical Trial Charts

274200
  • $102.00
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ETDRS low contrast LEA NUMBERS® 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 2 Contrast levels: 2.5% and 10%.

Measurements:  24.5 in x 25.5 in (62 cm x 65 cm)

Test distance: 13 feet / 4 meters

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

LEA SYMBOLS®: The Gold Standard

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