LEA Symbols® Low Contrast Test, 10M

LEA Symbols® Low Contrast Test, 10M

251200
  • $102.00
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Test for quick measurement of low contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% contrast by measuring the distance at which  the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 meter, 0.05 at 0.5 meters and 0.3 at .3 meters. VA values are thus easy to calculate. Test includes a table for conversion to Snellen equivalent VA values, a response keys and instructions. 6 pages,

Measurements: 3.25 in x 9 in (8.25 cm x 22.9 cm).

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