LEA NUMBERS<sup>®</sup> Low Contrast Charts for Illuminated Cabinets

LEA NUMBERS® Low Contrast Charts for Illuminated Cabinets

271500
  • $52.95
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A low contrast test is a special way to measure how well eyes function in low light situations and/or are able to distinguish objects from similarly colored or shaded backgrounds. Testing is identical to the measurement of visual acuity at high contrast levels. The 2.5% test is the most practical test in clinical use. These charts can either be wall mounted or used in an ESV1200ESV1500, or a Model A+ illuminated cabinet. Available in 5 Contrast levels: 1.25%, 2.5%, 5%, 10%, and 25%.

The line sizes on these charts range from 10/63 to 10/4 (3/19 to 3/1.2).
The other equivalents featured on these chart are letter size, 20 foot, 6 meter, decimal, and LogMAR.

Includes recording forms and instructions.

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