![]() If you have color blindness, our test can tell you your type of color vision and if your color vision deficiency is mild, moderate, or strong - in less than two minutes. To learn if you are color blind, take the EnChroma Color Blind Test. In summary, there are many types and degrees of what can be considered “color blindness,” ranging from partial to complete lack of color discrimination. Achromatopsia can be inherited but can also result from progressive eye diseases such as retinitis pigmentosa. ![]() This is called monochromacy or achromatopsia. In very rare cases, a person can be completely color blind, meaning they see only the intensity of light, but not its color. Blue-yellow color blindness is usually caused by age-related eye conditions such as glaucoma, or exposure to certain chemicals or medical treatments. Other types of color blindness exist also, such as tritan-type CVD, also called blue-yellow color blindness, which is associated with the inability to see shades of blue, and confusions between blue and green colors. Red-green color blindness is usually inherited via X-linked recessive genes. ![]() These confusions are typical of what is called “ red-green color blindness,” which includes protan-type CVD (protanomaly and protanopia) and deutan-type CVD (deuteranomaly and deuteranopia). When a person is color blind, also called color vision deficiency (CVD), they usually have difficulty distinguishing between certain colors such as yellow and orange, green and brown, pink and gray, or blue and purple. What is color blindness? Color blindness is a reduced ability to distinguish between colors when compared to the standard for normal human color vision. When the ability to see color is deficient, as in the case of color blindness, there is a dulling of what is seen or one might say there is a dulling effect in how we see. It is deeply ingrained in our basic perception of the world. We also use color to interpret information such as signs and lights. It entices us to eat certain foods and buy certain jewelry, and sometimes it literally defines these things. Color is emotional, experiential, and tactical.
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