The eye is a curse believed to be cast by a malevolent glare usually given to a person when they are unaware. Many cultures believe that receiving the eye will cause misfortune or injury. Talismans created to protect against the evil eye are also called "evil eyes".
Talismans is an object which is believed to contain certain magical or sacramental properties which would provide good luck for the possessor or possible offer protection from evil or harm. These are meant to "reflect" the power of the evil look.
It is believed that if your eye amulet cracks or breaks, it has done its job of protecting you from some misfortune or bad luck and should be replaced!
An amulet is simply a pendant. charm or object carried for protection from illness or harm. or an object to bring good luck.
Eye guards against misfortune and from bad things happening in one's life. It helps to keep your life in balance, protects you from "bad karma" and ill-will that could otherwise have a negative effect on your well-being or your life in general.