Wednesday, April 7, 2010 as of 11:14 AM ET
Color blindness or color vision deficiency is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions.
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Color blindness is a slightly misleading term because people who are colorblind can still see colors.
However, most people with color blindness have deficiencies distinguishing between red and green or between blue and yellow. Here is a guide to understanding the nature of color blindness:Overview Color blindness is a fairly widespread condition, affecting approximately one in 10 men , according to the U.S. National Library of Medicine. These people have trouble distinguishing between seeing different hues and brightness. The symptoms can be so mild that a person may not even know he or she is color blind. Many people adjust easily to color blindness, and it is usually considered a mild disability. Nonetheless, some important tasks, like driving or learning to read, can be significantly more challenging with color blindness.Types of color blindness There are three categories of color blindness: monochromacy, dichromacy, and anomalous trichromacy. People with monochromacy actually are c...It's a statistical phenomenon, and it's happened 12 times in one senior class. A Georgia high school is boasting 12 sets of twins graduating in 2012, myFOXatlanta re...
Scientists Discover Cure for Color BlindnessThursday, September 17, 2009PrintGenetic scientists have discovered a cure for color blindness, offering hope to millions...