0 reviews
Be the first to review this item!
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 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 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. Each chart includes a response key and instructions.
These charts have line sizes ranging from 10/63 to 10/4 (3/19 to 3/1.2) equivalent. The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR.
Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
Testing distance: 10 feet/3 meters.
, 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. Each chart includes a response key and instructions.
These charts have line sizes ranging from 10/63 to 10/4 (3/19 to 3/1.2) equivalent. The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR.
Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
Testing distance: 10 feet/3 meters.
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.
Need more information?
Our staff are available to answer any questions you may have about this item
Our staff are available to answer any questions you may have about this item