Cataract is referred to the clouding that appears in the natural lens of the eyes that is located behind the pupil and iris. This clouding may eventually increase leading to complete blindness though in the beginning people face minor vision problems but then it is always good to take care of the fact that it is diagnosed much earlier before its gets too late and one loses his or her vision completely.

There are a large number of factors that may be listed under the causes of cataracts but people often consider that the increasing age is the only possible reason leading to this condition. Though the researchers have been trying really very hard to investigate about the real cause of cataract but they have not succeeded yet in finding the major cause. So, to know the real facts and to be aware of all other important factors, given below is a detailed list of all such causes:

• Exposure to ultraviolet rays is considered as one of the most important factors that may result in cataracts. Thus the researchers recommend wearing hats and sunglasses in order to minimize the exposure as much as possible.
• There are also some other kinds of radiation that may result in such a condition, it was found by some researchers in the year 2005 that airplane pilots are much prone to the risk of nuclear cataracts than any other person. Similar studies show that astronauts are also at much higher risk of such exposure than other people.
• Experts believe that diabetes too may be one of the causes of cataracts as such patients are likely to develop cataract.

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