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The Symbol : 271400

LEA NUMBERS® ETDRS TRANSLUCENT CHART

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An adult LEA NUMBERS® ETDRS chart for the ETDRS Illuminated light boxes. Fits all existing ETDRS cabinets, including both the ESV3000 and ESC2000. This chart features optotypes in proportionally spaced (logMAR) lines; lines range from 10/100 to 10/4 (3/30 to 3/1.2) equivalent. The other equivalents included are letter size, 20 foot, 6 meter, decimal, and LogMAR.

Test distance: 10 feet/3 meters.

Click here for the 271400 Answer Key.

LEA SYMBOLS®: The Gold Standard

 PDF DocumentPrzelicznik skali Decimal/Snellen.

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