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Color blindness or color vision deficiency is the inability to perceive differences between some of the colors that others can distinguish. It is most often of genetic nature, but may also occur because of eye, nerve, or brain damage, or exposure to certain chemicals. The English chemist John Dalton published the first scientific paper on the subject in 1798, "Extraordinary facts relating to the vision of colours", after the realization of his own color blindness. Because of Dalton's work, the condition was often called daltonism, although this term is now used for a type of color blindness called deuteranopia. Color blindness is usually classed as a mild disability, but in certain situations, color blind individuals have an advantage over those with normal color vision. There are some studies which conclude that color blind individuals are better at penetrating certain color camouflages and it has been suggested that this may be the evolutionary explanation for the surprisingly high frequency of congenital red-green color blindness. From Wikipedia under the
GNU Free Documentation License  news.softpedia.com 438px x 593px | 47.00kB [source page] I have version 0 15 0 as you can see from the above screenshot If you have the same or another one grab the respective version from the following link  fysik.org 695px x 411px | 58.40kB [source page] I fraga 5381 finns lite om faergblindhet Peter E Se aeven fraga 13824 och From Yahoo Image Search: "Color blindness"  trendsupdates.com NARUTO Fri, 11 Jun 2010 19:34:00 GM Concerned citizens colorblind, the South Korean Ji-youn Kim, Soon-young Yang & Hwan-ju Jeon designed a traffic signal capable of informing the stage.  my.ddo.com Keeper Mon, 26 Jul 2010 21:17:42 GM There is too much of the color brown in DDO, and I am getting rid of some more of it. That is all. ... amaskery - if your friend has the typical red/green . color blindness. , he may not notice these particular changes I'm afraid. ... From Google Blog Search: "Color blindness"  azcentral.com Mon, 05 Jul 2010 01:00:20 GMT+00:00 - blindness Arizona Republic With all of its warts, the Republican Party at least offers a color - blind playing field to those Americans who are willing to work hard and aim high. ...  bworldonline.com Tue, 29 Jun 2010 16:53:53 GMT+00:00 BusinessWorld Online ... Test for color blindness (they are, in fact, functional -- one guest discovered he was color blind when he failed to see one of Ms. Lea's images). ...  vaildaily.com Fri, 02 Jul 2010 19:53:23 GMT+00:00 Vail Daily News Like balding and color blindness , this passes only to the men in the family. The women all turn out stellar. Go figure.) Forgive me for inflicting this ... From Google News Search: "Color blindness" Is there any pilot licenses out there that I can get that permits color blindness? Q. I'd really like to be able to pilot a plane. I'm active in flight simulators and understand flight dynamics well. Unfortunately I'm red/green color deficient and am thus unable to pass color blindness tests for a pilot license. Is there any other alternative for an avid aviator like me? Asked by NightShadow - Mon Jun 29 03:52:38 2009 - - 2 Answers - 0 Comments A. Don't stress my buddy got a waiver as a recreational pilot. He can't carry passengers but he can fly his own plane. I even used to fly with a dude with only one eye. There are only four of the one eyed pilots allowed to fly by the FAA. Answered by Gorehound - Mon Jun 29 04:26:53 2009 Can someone help me with a question about color blindness? Q. I am trying to find out what causes color blindness, and how it is inherited. Thanks for the help Asked by Selah - Fri Feb 8 20:23:48 2008 - - 1 Answers - 1 Comments A. Color blindness is the inability to see certain colors in the usual way. Color blindness occurs when there is a problem with the color-sensing materials (pigments) in certain nerve cells of the eye. These cells are called cones. They are found in the retina , the light-sensitive layer of tissue at the back of the inner eye. If you are missing just one pigment, you might have trouble telling the difference between red and green. This is the most common type of color blindness. Other times, people have trouble seeing blue-yellow colors. People with blue-yellow color blindness almost always have problems identify reds and greens, too. The most severe form of color blindness is achromatopsia. A person with this rare condition cannot see any… [cont.] Answered by nochocolate - Fri Feb 8 20:27:57 2008 What are jobs limited to from color-blindness in the army?
Q. My boyfriend is in the process of enlisting and remembered hes had problems with color-blind tests in the past. He can see some but not all of the color-blind tests online. We also read that you can be color deficient and still get good jobs... But for worst case scenario, if he is completely colorblind which jobs would he be able to get and what are his chances of being able to be a cavalry scout? Any tips, experiences or statistics are welcome. Asked by K e l l y . - Mon Mar 8 12:09:31 2010 - - 2 Answers - 0 Comments A. I don't know a full list of jobs, and I don't want to give you my guesses. A good recruiter should know, so have him ask. Assuming that when you said Army, you actually were talking about the US Army, and not using the word as a general term for "military" i do know that if you are color blind your job options are very limited. Lot's of color blind Soldiers come in as Chaplain Assistants (so, I know you can get that job). If you check some of my previous answers, you'll see a job discription for what a Chaplain Assistant does. Answered by jking3002 - Mon Mar 8 13:25:00 2010 From Yahoo Answer Search: "Color blindness" See also:
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Absorption of Solar Energy by Different Colors
efg's Computer Lab: Maxwell Triangle Lab Report
Colortribe: The Color Pages