Ishihara's color perception test charts are recognized internationally as highly reliable method of determining color deficiency. With normal color perception,

This Color Blindness book with Ishihara style plates for color perception vision testing perfect for Optometrists and eye doctors who want to test color vision

COLORBLINDNESS/COLOURBLINDNESS/COLOR BLINDNESS/COLOUR BLINDNESS/ Accepted by leading authorities as a simple and accurate method for discovering congenital colo

This book is not intended to be used for diagnosis purposes.This color blindness test based on Ishihara plates style for color perception vision testing, perfec