A cataract is the clouding of the eye's natural lens, which are normally clear. It is similar to a window that has fogged up with steam, causing blurred vision. The grade and pattern of lens clouding vary among patients.
Causes of Cataracts
The most common cause is aging. Other causes include:
Treatment Method: Surgery is the only effective treatment for cataracts. However, if the symptoms are mild, changing the prescription of eyeglasses may help. Tehran University of Medical Sciences, staffed by top specialists, leads the country in the number of cataract surgeries performed daily.