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Colorblindness is quite common, about 8% of the male population have it. Color blindness, or color vision deficiency, is the incapability to see colour, or notice color differences under ordinary light. Color Blindness can alter a individual's life. It can make it more difficult to read and learn, and particular careers are unavailable (Williams, 2010). The most typical case of colour blindness is a sex-linked condition. This is brought on by an error in the development of the retinal cones that differentiate colour in light and move it to the optic nerve. Occasionally a person could acquire color blindness from aging, eye issues, injury or a side affect of A medicine. Color blindness has been around for quite sometime. John Dalton, an English chemist, was the first to examine on the disorder. He wrote the first scientific paper on color blindness in 1798. The first general state of color blindness was called Daltonism. Given that both he and his brother were color blind, he realized that this condition needs to be hereditary. Dalton believed that a colored liquid within the eyeball was the reason behind color blindness, acting like a tinted shield surrounding the eyeball. Before Dalton died one of his last wishes was to get an autopsy of his eyes after death. Scientists dissected his eye and found no colored liquid. Although Dalton's theory lost creditability through his life and was proved wrong after his death, Dalton was the first to recognize color vision problems (Wearecolorblind, 2012). After the theory of John Dalton was proved wrong, two men named Thomas Young and Hermann von Helmholtz were the first to propose trichromatic color vision. When the theory developed, it was not long after the basics were learned. By 1802, Young suggested there were th...