What is an eye cataract? Detailed answer

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What is an eye cataract? Detailed answer

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What is an eye cataract?

We know that the word "cataract" refers to a natural phenomenon: a heavy downpour or a waterfall. So why are certain types of eye injuries called "cataracts"? Since ancient times, people have believed that these visual defects are caused by an opaque film, like a cataract in the lens of the eye.

A cataract is simply a clouding or darkening of the lens of the eye. It may or may not interfere with vision. In fact, many people have cataracts without knowing it. People discover they have cataracts when part of their visual field becomes blurry or cloudy. In another case, a person sees better in brighter light. In bright light, the pupil dilates, allowing more light to enter the eye. A cataract causes the pupil of the eye to appear gray or lighter than normal. Older people with cataracts may have very small pupils.

With a developed cataract, the pupil becomes milky. Cataracts are more common in older people. But it also happens in children - newborns or young children. Sometimes it appears as a result of damage or general diseases. When a child has a cataract, it is possible to restore good vision surgically without removing the lens. But usually, with a serious cataract that prevents people from functioning normally, the lens must be removed during surgery. This is done in one eye to avoid total blindness.

Most people who need this surgery are naturally worried about its success. But in fact, a good surgeon performs such an operation with very little risk of failure. Subsequently, using glasses, the patient can see as well as with the lenses of the eyes.

Author: Likum A.

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