Online color blindness tests may give people an idea of whether they may be color blind and if so, which type of color blindness they might have. This information comes from the National Eye Institute ...

The basics Being “color blind” actually covers a very wide range of what researchers call “color vision deficiency.” Only a tiny percentage of people see no color at all, just shades of black and ...

Color blindness, more appropriately called color vision deficiency, is a condition in which certain colors cannot be distinguished, and is most commonly due to an inherited condition. Severity of the ...

Color blindness, or color vision deficiency, causes a person to see colors differently from most other people. There are several types of color blindness. Color vision deficiency or loss has multiple ...

There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...