LEA SYMBOLS<sup>®</sup> Translucent Low Contrast Charts for Illuminated Cabinet

LEA SYMBOLS® Translucent Low Contrast Charts for Illuminated Cabinet

253700
  • $49.95
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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 a high contrast level. The 2.5% test is the most practical in clinical use. Available in 5 Contrast levels: 1.25%, 2.5%, 5%, 10%, and 25%. This chart can either be wall mounted or used in an ESV1200ESV1500, or a Model A+ illuminated cabinet. Each chart includes a response key and instructions.

Dimensions: 9" x 14" (22.9 cm x 35.6 cm).

Testing distance: 10 feet/3 meters.

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