"Color Blindness"

Color cecity is the in major power to distinguish particular colors. It is broadly an inherited trait, exclusively nates result from a chemic imbalance or eye injury.         There argon trio essential colors. They ar red, blue, and yellow. All other colors be the results of divers(prenominal) combinations of primary colors. Special visual cells, called cones, are respon- sible for our ability to keep in line color. mint with approach pattern vision kip down three different types of cones, each amenable for a different primary color.         The absence of particular cones causes the absence of particular colors. This brush aside be one cause of color craftness. There are four types of color blindness. The rarest figure outs are mono- chromatism and a-typical monochromatism. people with homochromatic vision, or total color blindness, has no cones at all. As a result, they have no ability to jut out colors, and no interpen etrate disparity whatsoever. Monochromatic vision is very similar to watching a black and white television program.         Somebody with a-typical monochromatic vision has exactly one type of cone, and can see just one color, and various dark glasses of that color. This form is still rarer than the typical monochro- matism.         A nonher, more common, form of color blindness is called dichromatism. People with di- chromatic vision tend to play a joke on red, green, and gray, still can easily distinguish blue and yellow.

Some can non even see the hourlong wavelengths of light -- the red end. Though it is rare, others cannot see the short wavelength s, heartfelt the violet end. These people ! tend to confuse blue, yellow, and gray, but not red and green.         Normal vision is called trichromatism. intimately color blind people have a magnetic declination of trichro- matism called anomalous trichromatism. People with this condition can see the resembling colors as people with normal vision, but not as well. For example, many people with this... If you desire to get a full essay, order it on our website: OrderEssay.net

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