EnChroma's Cx sunglasses are claimed to allow people with red-green color blindness to see red and green as distinct colors
EnChroma's Cx sunglasses will not help people who are completely incapable of seeing colors
While many people may think that being color blind means seeing everything in black-and-white, such a condition is in fact quite rare. Instead, the majority of people who are classified as color blind are capable of color vision, but they have difficulty distinguishing red and green as distinct colors. EnChroma’s Cx sunglasses are designed to help in these cases, by selectively reducing the transmission of given wavelengths of light, thus allowing red and green to stand out.
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