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Shinobu Ishihara (September 25, 1879January 3, 1963) was a Japanese ophthalmologist who created the Ishihara color test to detect colour blindness. He was an army surgeon. -Ishihara's Color perception test charts are recognized internationally as highly reliable method of determining color deficiency. -With normal color perception, the images and numbers will all be visible. Each color test plate in this hard bound. -Book is specially printed to measure incrementally higher color sensitivity and specificatiy. -Popular and efficient test for red/green color vision deficiency quickly differentiates between congenital and aquired defects.
80 GBP
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