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                  Cataract

Intro

Eye-care professionals may mention during a routine eye exam that you have early cataract development even if you are not yet experiencing visual symptoms.

Although your doctor will be able to tell when you first begin to develop cataracts, you will generally be the first person to notice changes in your vision that may require cataract surgery. Clouding of the lens may start to be seen at any age, but it is uncommon before the age of 40. However, a large majority of people will not begin to have symptoms from their cataracts until many years after they begin to develop.

Since cataract development rarely causes any long-term damage to the eye, cataract surgery should be considered only when visual symptoms begin to develop. Whenever significant vision problems are noted, you should schedule an exam by an eye-care professional. Typical symptoms may include blurry vision, difficulty with glare or night vision, poor color vision, or frequent changes in eyeglass prescription.

For an early cataract changes, vision may be improved by simply changing your eyeglass prescription, using a magnifying lens, or increasing lighting when you do visually demanding tasks. Eventually, cataracts get to a point where the only effective intervention is surgery. This decision is made based mainly on the degree of visual limitation the patient is experiencing.

Prevention

At present, there is no real effective way to prevent the formation of cataracts, so secondary prevention involves controlling other eye diseases that can cause cataracts and minimizing exposure to factors that promote cataracts.

Wearing sunglasses outside during the day might reduce your chances of developing cataracts or having problems with the retina. Some sunglasses can filter out UV light, reducing exposure to harmful UV radiation and might slow the progression of cataracts.

Some people take vitamins, minerals, and herbal extracts to decrease cataract formation. No scientific data prove that these remedies are effective. No topical or oral medications or supplements are proven to decrease the chance of developing cataracts.

A healthy lifestyle might help, just as a healthy lifestyle helps prevent other diseases in the body. Eat a proper diet osteoporosis

If you have diabetes , tight blood-sugar control can delay the otherwise accelerated development of cataracts.

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