Cataracts is a clouding of the clear natural lens of the eye. There are many factors that contribute to development of cataracts including age, severe trauma to the eye, certain diseases. There are also some medications that can contribute to the development of cataracts. For those who have developed cataracts, seeing the world is like looking through a frosted window which makes it difficult to do daily tasks such as reading or driving. Severe cases of cataracts can only be treated surgically by removing the old lens and replacing it with a new artificial lens. Fortunately, cataract surgery is generally a safe and effective procedure, which significantly improves the quality of your vision and life.