ABOUT IHIHARA BOOK The doctor will ask you to look at a series of circles (also called plates) The Ishihara color blind test consists of sheets with dots of various colors and sizes arranged in a circle. This test is completed by an answer key for each colour blindness problem.
SPECIFICATION Ishihara’s color perception test charts are recognized internationally as a 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
It comes with set of 38 plates