LEA Symbols,<sup>®</sup> Translucent Low Contrast for Illuminated Cabinet

LEA Symbols,® Translucent Low Contrast for Illuminated Cabinet

  • $49.95
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A low Contrast test is a special way to measure visual acuity; determining how well eyes function in low light situations and/or being able to distinguish objects from similarly colored or shaded backgrounds. Testing is identical to the measurement of visual acuity at high Contrast level. The 2.5% test is the most practical test 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 ESV1200, ESV1500, or a Model A+ illuminated cabinet. Includes response keys and instructions.

10 feet, 3 meters testing distance.

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