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BookmarkColor vision is the capacity of an organism or machine to distinguish objects based on the wavelength (or frequency) of the light they reflect or emit.
A 'red' apple does not emit red light.
Rather, it simply absorbs all the frequencies of light shining on it except the frequencies we call red, which are reflected..
For more information about the topic Color vision, 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
Color blindness — Color blindness, or color vision deficiency, in humans is the inability to perceive differences between some or all colors that other people can ... > read more
Visual system — The visual system is the part of the nervous system which allows organisms to see. It interprets the information from visible light to build a ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Color vision at Wikipedia.org. See the Wikipedia copyright page for more details.
