Facts About Color Blindness
The inability to differentiate similar shades of the same color is called color blindness. Dyschromatopsia is a disability in which a person only recognizes certain colors. On the other hand, the inability to perceive color is called achromatopsia. Color blindness is usually caused by a birth defect. Although rare, it can also happen as we age, as the lens of the eyes also ages. It is caused by a genetic trait and is more common in men than women. It can also be caused by disease and as a side effect of a medicine. Damage to the retina and optic nerve can also affect color perception.
A person suffering from achromatopsia cannot differentiate colors and can only see shades of green. Perception of distance, rapid eye movement, and eye sensitivity to light can also be affected. Dyschromatopsia is a more common problem than achromatopsia. Unlike achromatopsia, people with this problem have no visual problem other than the inability to distinguish between shades of red and green. The distinction between yellow and blue tones is also a problem, but in rare cases. Color blindness color blind clip on glasses can be diagnosed by self-detection. Meanwhile, achromatopsia can be diagnosed only at three to four years. The easiest way to diagnose this condition is with a color test. The electroretinograph is also sometimes used.
There is no known prevention for this disease. Regular eye checkups can be done to prevent visual impairment. Since it is a lifelong condition, early diagnosis is very important to learn ways to cope with the problem. There is still no cure available for this condition. Coping techniques like precautions and proper care are also needed. People with this type of condition are generally prohibited from driving and operating machinery. Finally, the use of dark glasses is beneficial for patients with achromatopsia.