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Contact SupplierIshihara’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 specificity.
Ishihara test for colour blindness, 38 plate edition:-
popular and efficient test for redgreen colour vision deficiency
quickly differentiates between congenital and aquired defects
choice of 38 plate, 24 plate, and 14 plate editions.