What is Color-Blindness

Color blindness means that it is impossible to distinguish specific color differences. This condition is due to the absence of color sensitive dye in retinal cone cells (nerve layer behind the eye). (See "Look in the Eyes")

Many of the problems of color vision abnormality are inherited and exist at birth. One in 12 men and one in 20 females have color vision abnormality

People with color vision abnormality are difficult to see red, green, blue, or a mixture of these colors. The most common type is a red-green blind where red and green are treated as the same color.

1. The computer and the monitor may not display colors accurately. If you can not see this number, it is not necessarily a color vision abnormality. Some resolutions and display settings may be more prominent than other resolutions and display settings

2. The results of this test should not be considered valid medical tests for color vision abnormality but only to explain available tests. If you have any doubts about the possibility of color vision abnormality, please consult a qualified medical expert.

Color blindness color vision abnormality is caused by pigmentation problems in the cone of the retina. Most color vision abnormal people can see several colors. In most cases, people with color vision confuse certain colors, usually red and green. People may be blind, or they may occur over time. The most common form of color vision abnormality is a genetic disorder that is more likely to develop in boys than boys. Color vision abnormality can not be corrected. Eye injuries Eye damage is one of the most common causes of blindness. Eye injuries may be caused by irritants such as sand, dirt, and other foreign objects on the surface of the eye. Chemicals and foreign substances embedded in the eyes also cause pain and blindness. Striking the eyes can cause intraocular bleeding and damage cornea, retina and other important eye structures.

Red-green blindness is the most common form followed by blue-yellow blindness and full-color blindness. Red - green blindness affects up to 8% of men and 0.5% of Northern European women. The ability to see color also decreases in older age. Due to color blindness, people may not be eligible to perform a particular job in a particular country. This includes pilots, becoming train drivers, and working in the military. However, the influence of color vision abnormalities on artistic abilities is controversial. The ability to draw pictures does not seem to change, and some famous artists are regarded as color blind