Cataract is an eye disease which causes blurred vision. It results in the clouding of the crystalline lens of the eye, placed at the back of the iris, or in its envelope. The lens can suffer from slight to complete opacity, blocking the passage of light. A person suffering from cataract cannot see clearly. As the lens becomes opaque, it hampers the entrance of light which distorts the visibility. Cataract is mainly caused due to three factors - deterioration in the nutrition of the lens, deposits of acids and salts between the lens fibers, and disintegration of lens fibers. Aging, diabetes, eye injury and down-syndrome are some of the other causes of this disease. You can treat cataract naturally also, provided you know the correct home remedies for the same, some of which have been mentioned below.