Senin, 17 Agustus 2009

color-bind

gambar warna Color-blind is a condition when the retina cells is not able to respond with the proper color.
Cone cells in the retina of the permanent impairment or damage.
A. Classification of color-blind:
1. Trikromasi
Namely the changes in color sensitivity level of one or more cone cells in the retina. This type of color blindness that is often experienced by people. There are three classifications in the derivative trikomasi:
Protanomali, a color-blind to weak red
Deuteromali, green akan difficult recognized by people
Trinomali (low blue), the condition in which the blue color known difficult patients.
2. Dikromasi
That is the situation when one of the three cone cells do not exist. There are three classifications derived:
Protanopia, cone-shaped red cells do not have the brightness level so that the color red or less interfusion
Deuteranopia, retina cells do not have a cone that is sensitive to green
Tritanopia, blue cone cells were found.
3. Monokromasi
Monokromasi was often seen as a color-blind by the public. This condition is marked with a damaged retina eye responds to color in total. Only black and white that is capable received retina.
B. The cause of color-blind
Color-blind condition was revealed that the genetic. Carried by the female X chromosome, was revealed to the color-blind children. When someone having color-blind, their eyes not able to produce the overall pigment required for normal eye function.
C. Facts about the color-blind
Color-blind more often occur in a diversified male sex than women. Some 99% of a color-blind is not able to distinguish between green and red. Also found cases of people who can not recognize the difference between red and green.
This eye defect is a genetic aberration that is revealed by the father or mother.
Not be related to the number of people, but a study of the 8 -12% European male is color-blind mixing of. While the percentage of European women who are color blind 0.5 -1%. Level color-blind in the other continents certainly vary.
There is no way to treat the color blind, because he is not disabled but eye disease. Can be a color-blind akan feel tortured by this situation. Some companies set a requirement that workers should not color-blind.
To find out if someone has color-blind, conducted a test using the Ishihara plate called.
Often people assume the color-blind only able to see black and white, like watching a black and white silent film. This presumption is wrong big.
Bison was color-blind. Effect caused red jump lead to the animal's emotional, not due to the color red itself.
In the World War II, a color-blind soldiers sent to perform a particular mission. Their inability to see the color green move camouflage to detect the existence of the opposite party.
Famous artists who are color blind, Mark Twain, Paul Newman, Meat Loaf, Bing Cosby, Bob Dole.
Every person born color-blind when first born.
Emerson Moser, a senior crayon, confessing that his blind-blue and not able to see color as a whole.
The color-blind by question always be "color is this?"

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