Evil eye
The evil eye is a look that is believed by many cultures to be able to cause harm, injury, misfortune or bad luck for the person it is directed at. This could be for reasons of envy, jealousy or dislike. In some forms, it is the belief that a person can bestow a curse on someone when giving an evil look out of envy or jealousy. the real-life Nazar amulet, an eye-shaped amulet that's said to protect against the evil eye. The amulet depicts the popular saying “an eye for an eye,” showing that one eye can protect against another eye or malicious intent. e evil eye symbolizes envy and malice. Many cultures believe it comes from coveting another person's position or possessions. From this jealousy comes negative energy that can bring misfortune and injury to others and oneself.27 M
Further reading
change- "The medieval senses and the evil eye". MindHacks. 22 April 2009.