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Product Description
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 ESV1200" class="editor-rtfLink" data-mce-fragment="1" data-mce-href="//cdnimages.opentip.com/Docs/GLT/esv1200" target="_blank">ESV1200
, ESV1500" class="editor-rtfLink" data-mce-fragment="1" data-mce-href="//cdnimages.opentip.com/Docs/GLT/esv1500" target="_blank">ESV1500
, 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.
, ESV1500" class="editor-rtfLink" data-mce-fragment="1" data-mce-href="//cdnimages.opentip.com/Docs/GLT/esv1500" target="_blank">ESV1500
, 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.
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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