Colorblindness – Daltonism

Color Blindness (Color Vision Problem; Color Vision Deficiency)

Description of color blindness

Color blindness usually affects a person's ability to distinguish the difference between shades of red and green or shades of blue and yellow colors. With full color blindness, which is very rare, one sees most things in shades of gray.

Color blindness occurs, when the light-sensitive receptors in the eye do not work properly.

If you think, that suffer from this disease, consult a doctor. Although most cases of color blindness can not be cured, you can learn simple ways of solving problems with vision,and be able to at least partially determine the color differences. Some cases of color blindness may indicate another illness, to be treated.

Causes of color blindness

Most cases of color blindness is inherited. Rarely, color blindness is caused by a disease, that affects the retina or optic nerve. This is called acquired color blindness.

Risk factors for color blindness

Heredity is a major factor, determining the probability of having color blindness. If your mother, father, or grandparents were color blind, you may have the gene (s), which cause blindness.

Risk factors, which increase the likelihood of acquired color blindness:

• Paul: men are more likely, than women, suffer from color blindness;
• Some diseases can increase the risk of color blindness;
• Some medications can cause damage to the retina and optic nerve, whereby there achromatopsia.

Symptoms of color blindness

Если вы не можете различать некоторые цвета – особенно красный и зеленый или синий и желтый – нужно обратиться к врачу, to determine, Is this blindness, or other disorders.

Diagnosing colorblindness

The doctor will ask about your symptoms and medical history, and perform eye examination and testing of. Maybe, you will be directed to an ophthalmologist (okulystu), which can more accurately diagnose.

Visual inspection for color blindness is performed using the following tests:

• The test using Ishihara plates.

Color Blindness Treatment

For cases of inherited color blindness, there are no treatments. However, most people with color blindness can learn to distinguish colors.

Talk to your doctor about methods of distinguishing colors. Depending on the level of color blindness, Some doctors recommend the use tsvetokorrektiruyuschego glasses or contact lenses.

In some cases of acquired color blindness, treatment of medical problems can help get rid of the disorder.

Prevention of color blindness

To reduce the likelihood of acquired color blindness, Consult your doctor before taking the medication prescribed.