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Product Description
Now it is easy to measure, record, and detect changes in the transfer of visual information when the change only affects visual acuity at low contrast levels. These charts present numbers at the following contrast levels: 25%, 10%, 5%, 2.5%, and 1.25%. Each chart has 5 offset pages for easy flipping. Recording forms and instructions are included.
Dimensions: 9" x 3.25" (22.9 cm x 8.25 cm).
Click here for the LEA Contrast Sensitivity Guide.
Click here for the Low Contrast Test Recording Form.
Dimensions: 9" x 3.25" (22.9 cm x 8.25 cm).
Click here for the LEA Contrast Sensitivity Guide.
Click here for the Low Contrast Test Recording Form.
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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