Power of Dhristi
The ominous power of Dhristi can be subtle or immense depending upon the depth of negative emotions. Stronger the emotions greater will be the energy released. This energy can work at the

A) Material level : An evil-eye on other's possessions like wealth, property, and other accessories which consequently deplete the victims of their resources.
B) Physical and the psychological level : The 'hale and hearty' suddenly succumb to ill-health, or happiness and peace of mind is lost. These are some of the nasty effects of Dhristi. Witchcraft, black magic etc. are advanced manifestations of Dhristi.

Dhristi Parihaaram
Dhrishti Parihaaram is a measure to ward off the evil, cast by an evil eye. The remedy also depends upon the source from which the negative energy has been produced whether it is a product of witchcraft or black magic.

Traditional methods of pariharam
Material level: Some fruits like lemon, watermelon and coconut have the capacity to absorb negative energy. For eg. A new automobile is run over lemons before it starts its journey. Watermelons are hung at the gates of houses and babies are smeared with collyrium on the forehead and the cheek to ward off evil.

Physical level: Burning camphor, when brought near any person burns out all the negativity around the person. It is necessary that the mind get tuned (in order to absorb the negative energy) to these media (lemons coconuts, collyrium) of Dhristi Parihaaram so that they serve the desired purpose.