We often hear about color blindness as a term trader among the people, when they do not distinguish color for another, what is color blindness?What causes? What symptoms? The effects resulting from it?Diagnosis and tests online to infection method, and how to cure?
Color blindness: is a disease of the optic nerve, it confuses the following colors: (red-green-blue), where it appears to him the green color as red, or see the shadow of color; and this is due to the overlap of cone cells, which make up the eye, which is three cells Cone, each cell competent to color felt by humans configured primary colors. Does not have color blindness in all colors as some people think.
The causes of color-blind: The basic underlying causes of color blindness it hereditary, where the child is born infected with the disease, but it is possible to be infected by the arrogance, or as a result of certain drugs affected the optic nerve, a defect in diabetic retinopathy.
The symptoms of this disease:
Lack of patient's ability to distinguish colors and mix between red and green. Can not see all the shades of color, while natural person sees multiple shadows.
Symptoms may extend to the inability to note the color white, black and gray, except in rare cases.
The effects of blindness Alalon: The psychological and physical effects as regards sight, where the palaces of the individual to determine Alolon; and this makes him suffer psychologically, and embarrassments of the lack of knowledge of the color of a small child knows. So must the infected color blindness coexistence with the disease, especially if the genetically, so by wearing colored contact lenses, which gives him the ability to distinguish colors as much as possible, and also wear lenses bright incandescent; to reflect light on objects so he can see it.
How to diagnose the disease:
There are tests for color blindness spread across the Internet but do not recommend adopting entirely; because colors vary across the screens, in addition to that there are principles of diagnosis by a doctor, and there checking for color blindness is called screening Ishihara takes 10 minutes, and be by displaying color images in green and red and ask the patient to tell him what color, the image, for example, red, and within no green, and ask the patient to know the number, in case of injury patient will not be able to read the correct number, and sometimes can not see at all, also gives him a check for gradients the same color, and requests it arranged, from here knows the degree of injury color blind: Is it big or small?
The online tests do not accurately diagnose the situation, maybe give a general result, or mention of a person, it may be a problem with him in his sight, and may not be the color blindness in particular.
Methods of Treatment:
As we have said previously that the disease may be hereditary -oho Alogelb-, may be acquired as a result of certain health symptoms, when the disease is acquired, can be cured through surgery treated cone cell in which the defect, but in cases of inheritance can be no surgical intervention solve the problem.
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