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Product Overview:

The Ishihara Test Chart Book, available in 24 or 38 card books, diagnoses color blindness. By using 4 different types of eye chart plates, the type and degree of color deficiency can be determined. Because a person with color-blindness has trouble seeing red, green, blue, or mixtures of these colors, the Ishihara Test Chart Book includes transformation, vanishing, hidden digit, and diagnostic plates.
Note: This product is for sale in the United States only and is ineligible for International Shipping.

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Ishihara Test Chart Book, 24 Plate
$298.40
sku: GF-1255
Ishihara Test Chart Book, 38 Plate
$322.21
sku: GF-1256

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The Ishihara Test Chart Book features two styles of books with different quantities of pages that greatly aid in diagnosing color blindness. This method is simple and proven to assess the degree of color blindness. It includes 24 or 38 special plates to aid in the testing of vision defects that affect color identification. The color plates are safely sealed in an album-style book. This book keeps the images clear and clean while preventing them from becoming lost or pocketed by a child.

This is an ideal method, which has been accepted by leading authorities around the world, to identify color vision deficiencies. Each Ishihara circle contains a randomized set of smaller circles. The randomization affects the color hue and size. Each circle is juxtaposed with a different colored number. The number adheres to the same randomization of size and hue while remaining different than the base color. How the patient observes the numbered section is a beneficial way of assessing their degree of color deficiency.


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Ishihara Test Chart Book Pictures:

Ishihara Test Chart Book
Ishihara Test Chart Book
Ishihara Test Chart Book
Ishihara Test Chart Book