A cataract is a clouding of the normally clear lens of your eye. Looking through a cloudy lens is like trying to see through a frosty or fogged-up window. Clouded vision can make it more difficult to read, drive a car – especially at night – or see the expression on a friend’s face....
“But man hath perversely continued to serve his lustful appetites, and he would not content himself with simple foods. Rather, he prepared for himself food that was compounded of many ingredients, of substances differing one from the other. With this, and with the perpetrating of vile and ignoble acts, his attention was engrossed, and he abandoned the temperance and moderation of a natural way of life. The result was the engendering of diseases both violent and diverse.” by Abdu'l Baha