The study found that the disease blindness found in approximately 8% of the population were divided into 2 groups: group to set both congenital (congenital color vision defects) and a later (acquired color vision defects) and Volz big. this paragraph in men than women. That those who suffer from color blindness Be difficult to distinguish the color of certain objects, people usually know who it is. Disease, blindness can not distinguish any color or color perception, it is true, then people with color blindness can recognize colors. Just can not distinguish colors with similar tones or colors that are close together have made a different color from the others.
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