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BookmarkColor blindness, or color vision deficiency, in humans is the inability to perceive differences between some or all colors that other people can distinguish.
It is most often of genetic nature, but may also occur because of eye, nerve, or brain damage, or due to exposure to certain chemicals..
For more information about the topic Color blindness, read the full article at Wikipedia.org, or see the following related articles:
Peripheral vision — Peripheral vision is a part of vision that occurs outside the very center of gaze. There is in actuality a very broad set of non-central points in ... > read more
Blindness — Blindness can be defined physiologically as the condition of lacking visual perception. The complete lack of form and light perception is clinically ... > read more
Color vision — Color vision is the capacity of an organism or machine to distinguish objects based on the wavelength (or frequency) of the light they reflect or ... > read more
Sex linkage — Sex linkage is the phenotypic expression of an allele that is dependent on the gender of the individual and is directly tied to the sex chromosomes. ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Color blindness at Wikipedia.org. See the Wikipedia copyright page for more details.
