A cataract is a cloudy area in the lens in the front of the eye. There is no pain associated with the condition but there are other symptoms, including:
Most people develop cataracts simply as a result of aging, with the majority of cases occurring in people over the age of 55. Other risk factors include eye injury or disease, a family history of cataracts, smoking or use of certain medications.
For people who are significantly affected by cataracts, lens replacement surgery may be recommended. During cataract replacement, the most common surgical procedure in the country removes the lens and then replaces it with an artificial one called an intraocular lens or IOL.