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Product Description
These Sloan Letter adult low contrast testing charts are identical to the measurement of visual acuity at a high contrast level; i.e., measures the smallest size of the optotypes that the person can recognize. The 2.5% test is the most practical test in clinical use. Line sizes range from 10/80 to 10/5 (3/42 to 3/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. These charts are available in 1.25%, 2.5%, 5%, 10%, and 25% Contrast levels. Each chart includes recording forms and instructions.
Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
Testing distance: 10 feet/3 meters.
Note: 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.
Dimensions: 9" x 14" (22.9 cm x 35.6 cm).
Testing distance: 10 feet/3 meters.
Note: 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.
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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