Background: Cataract is a opacity of lens that caused by hidration of lens and protein denaturation. Cataract can be caused by many factors, such as aging, ultraviolet radiation, history of fanuly, trauma, eye mfection, diabetes, smoking, alcohol, myopi, history of drugs consumption and body index. Fifty percent of blindness in the world are mostly caused by cataract. In 2001, the total inciden…