46+ Ishihara Color Blind Test Book Pics. To pass each test you must identify the. Computer displays have only three primary colors.
By testing with different colors we are able to understand which colors you may have difficulty seeing.
This test shows that those with red/green deficiency yellow and blue colors appear clear as compared to red and green colors together. ··· vowish optical 24 plate ishihara color test 24 plate ishihara color test parameter: Ishihara test to detect red green colorblind. Please note that computer based color blindness tests do not give the same results as the original tests.