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Worth Four Dot Test

Worth Four Dot Test


Worth Four Dot Test


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 two-cell flashlight, a pair of spectacles with one red lens and one green lens, and complete instructions.

The test set consists of a high-quality, chrome three-cell 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.

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