![]() ![]() If you are completely unsure or see nothing, then tap or click the button that says "Unsure" or Nothing". Yes! If you think you can see a shape, but are still not 100% certain of your choice, it is better to take your best guess. On a computer the keyboard or number pad can also be used. Tap or click the button corresponding to which shape you see. Look for a shape, such as a number or symbol, which is embedded within the dot pattern. You will see a series of images composed of dots with varying size and lightness. Depending on which colors are seen, the type and extent of color vision deficiency can be estimated. When a person has color blindness, they are able to see some colors better than others. ![]() By testing with different colors we are able to understand which colors you may have difficulty seeing. This test measures your ability to see a pattern based on its color. ![]()
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