Test Chart Book For Color Deficiency With 38 Plates
Product description
❖Details:-
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 other way around. The full test consists of 38 plates, but the existence of a deficiency is usually clear after a few plates.
individuals with color vision defects should see a different figure from individuals with normal color vision. Makes use of the peculiarity that in red-green blindness, blue and yellow appear remarkably bright compared with red and green Diagnostic plates: intended to determine the type of color vision defect Ishihara Test Chart Books for Color Deficiency 38 Plates with user manual.
❖Feature:-
❖Each color test plate in this hardbound.
❖The book is specially printed to measure incrementally higher color sensitivity and specificity.
❖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.
❖Ishihara test for color blindness, 38 plate edition Popular and efficient test for red/green color vision deficiency Quickly differentiates between congenital and acquired defects.
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HANDLING TIME:
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