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Color Blindness
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What is Color Blindness?

Color blindness is also known as Color vision deficiency. It is defined as a condition in which certain colours cannot be distinguished. There are two types of Color Blindness:

Red/Green Color Blindness:

It is the most common type of color blindness. Majority of the patient suffering from Color Blindness, have Red/Green type. The patients suffering from this problem, have problem in distinguishing between red and green colors.

Blue/Yellow Color Blindness:

This type of color blindness also exist in which the patient is unable to distinguish between blue and yellow colour. But this type of color blindness is very rare and there are no specific tests available for it.

People suffering from Color Blindness

People suffering from color Blindness are unable to make good choice of clothes while doing shopping. Those people are unable to distinguish between Traffic lights, that whether they are red, that or yellow unable to distinguish between the colors of flowers in a garden.

Color blind people are unable to distinguish the colors in a map. Color vision deficiencies creates lots of problem for the children who are affected from this disease in the earlier years of their age. For them, in the school, coloring becomes difficult, when they have to use a blue crayon instead of pink one to color the ocean. A color blind person even faces difficulties while cooking.

They cannot tell whether their piece of meat is raw or well done. They are unable to tell the difference between green and ripe tomatoes or between chocolate syrup and ketchup. Many color blind people cannot tell whether a woman is wearing lipstick or not

Causes of Color Blindness

In a human eye there are present cones that is colour sensitive receptor that is color sensitive receptor. Their cone contains single visual pigments selective for red, green and blue light.

Disturbances of color vision occurs, if the amount of pigment per cone is reduced or if one or more of the three cone systems are absent. Although, defective color vision may be acquired as a result of any other eye disorder.

It has been observed that the majority of the cases of color blindness are hereditary influenced. Color is present in certain cases since birth.

Color blindness is a malfunction of the retina, which converts light energy into electrical energy, which is then transmitted to the brain. Color blindness is rooted in the chromosomal differences between males and females. Females may carrier of color blindness but males are more commonly affected.

Treatment of Color Blindness

There is no specific treatment for color blindness. Moreover, it is not at all the cause of any significant disability. But it can be very frustrating for the individuals affected by it. Those people who are not color blind have the misconception that color blindness means that a color-blind person sees only in black and white or shades of gray. While this type of condition is possible but is extremely rare.

Being color blind does not mean to keep oneself away from performing certain jobs and makes others difficult. In order to diagnose color blindness, one of the most common test known as Ishihara color test is use. Although, there is no treatment for color blindness, but most of the color deficient persons compensate well for their defect and live a satisfied, healthier life.


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