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Ishiharas Tests for Colour-Blindness Shinobu Ishihara

Ishiharas Tests for Colour-Blindness

Shinobu Ishihara

Published
ISBN :
Hardcover
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 About the Book 

These series of plates provide a quick and accurate assessment of congenital, the most common form, of colour blindness. They distinguish between total colour blindness and strong and mild forms of both protan and deutan deficiency. A brief guide to use and interpretation is provided. In this 10 plate edition simple geometric shapes takes the place of numerals for use with infants and unlettered people.