Sloan Letter Low Contrast Flip Chart736000
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Easily measure, record, and detect changes in the transfer of visual information when the change affects only visual acuity at low contrast levels. Charts include the following contrast levels: 25%, 10%, 5%, 2.5%, and 1.25%. Features 5 offset pages for easy flipping. Each chart includes recording forms and instructions.
Dimensions: 3.25" x 9" (8.25 cm x 22.9 cm).
Click here for the LEA Contrast Sensitivity Guide.