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

ETDRS Low Contrast LEA NUMBERS® Clinical Trial Charts

  • $102.00
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ETDRS low contrast LEA NUMBERS® vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 20/200 to 20/10 (6/60 to 6/3) equivalent. Available in 2 Contrast levels: 2.5% and 10%.

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

Test distance: 13 feet/4 meters.

Note: These charts can only be used with our ESV3000 or ESC2000 illuminated ETDRS cabinets.

LEA SYMBOLS®: The Gold Standard

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