Ishihara Color Deficiency Test Book 38 Plates. 4.4 out of 5 stars. 16. $56.00. Ishihara Test Chart Books, for Color Deficiency - 38 Plate (2017 Edition) $160.00. Ishihara's Tests for Colour Deficiency Latest Edition 38 Plates with Manual. 3.0 out of 5 stars. 3. GF:Ishihara® Test Chart Books, for Color DeficiencyWhile this sort of condition is possible, it is extremely rare. The Ishihara color test is a test for color blindness. It was named after its designer, Dr. Shinobu Ishihara (1879-1963), a professor at the University of Tokyo, who first published his tests in 1917. It makes use of the peculiarity that in red-green blindness, blue and yellow
The test consists of a number of colored plates, called Ishihara plates, each of which contains a circle of dots appearing randomized in color and size. Within the pattern are dots which form a number or shape clearly visible to those with normal color vision, and invisible, or difficult to see, to those with a red-green color vision defect, or The Global Health Bureau, Office of Infectious Disease, ISHIHARA COLOR BLINDNESS TEST PLATE 24 . ISHIHARA COLOUR PLATES. 1 ISHIHARA COLOUR PLATES 38 SET Plate 1 Everyone should see number 12. Plate 2 Normal view:8 Red-green deficiency:3 Plate 3 Normal view:6 Red-green deficiency:5 . 2 Plate 4 Normal view:29 Red-green deficiency:70Ishihara Test Chart Books for Color Deficiency 38 Plates Each color test plate in this hard bound. Included with the book is an EYE OCCLUDER Description :This Book is specially printed to measure incrementally higher color sensitivity and specificity. Ishihara Book for Colour Blindness 38 Plates Edition :Popular and efficient test for red/green colour vision deficiency.