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Amsler Grid Give-Away Sheets
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White lines with black squares, 7″ x 5-1/8″.
SKU: 98051 Category: Diagnostic Tools
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Worth Four Dot Test
The Worth Four Dot Test helps evaluate color perception by stimulating the red, green and blue cone receptors in the retina. The test set consists of a high-quality, chrome flashlight with a pair of universal spectacles together with complete instructions. The flashlights in the test sets require 2 D-cell batteries, which are not included.