Cataract is an eye disease in which the normally clear lens of the eyes become cloudy leading to a decrease in one’s vision. It is commonly related to the aging process. In younger people, the lens is clear and is able to change shape for accurate focusing, but as people age the proteins in the lens breaks down making it rigid and cloudy.Cataract is not only an old age disorder: Apart from old age, conditions such as diabetes, swelling or infection within the eye, like in the case of iritis (inflammation of the iris) or uveitis, blunt or penetrating injury to the eye, prolonged sun exposure to X- rays or UV rays, certain diseases like eczema or thyroid disorder, smoking and tobacco use, family history of cataract, other genetic diseases like Downs’s syndrome, infections like herpes or rubella which affect the baby while in the womb and various medications like steroids can also lead to cataracts. Cataract surgery is not an emergency surgery, but is definitely required:You may consider going in for cataract surgery when your cataract causes problems in carrying out your daily activities. Cataract surgery is usually not an emergency surgery and you can take your time to make your decision.Not everybody can have cataract surgery: A doctor may advise against cataract surgery if --The patient feels that he is able to go about his daily tasks with glasses -The patient is not medically fit and is suffering from high blood pressure, high blood sugars, acute infection, lung diseases, bleeding disorders etc. Ideally it is advisable that one get these conditions under control before the surgery.- The patient has other diseases which would prevent his vision from becoming normal despite undergoing cataract surgery.
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