Color Blindness Test (Ishihara Test)

Test your color vision!

The test below, based on the Ishihara plates, is designed to give a quick assessment of color vision, and should not replace evaluation by a professional!
The original card version of Ishihara's color test was designed to be carried out in a room adequately lit by daylight. This electronic version may produce some discrepancies in the result as the images have been optimised for web-based delivery and with a 256 color display or greater. The results of this test are not to be considered a valid medical test for CVD and merely serve to illustrate the tests available. 




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Position yourself about 75cm from your monitor so that the color test image (a dotted disc) you are looking at is at eye level; then, select an image, which contains a 1 or 2-digit number, or a shape, and see what you can see!
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