Yoga & Spirituality: As long as you can look at any one point, crystal ball, candle or gleam of ghee lamp without blinking your eyelid, keep watching.
After this close your eyes. Practice this for some time. Trataka is beneficial for the eyes as well as it increases your concentration. Steady eyes are a reflection of a stable mind.
One can enjoy mental peace and restlessness by practicing it regularly.This leaves all eye diseases and the mind gets deviated. The practice of trataka gives many types of attainments. It also removes memory defects and increases vision.
English translation by Shruti Sinha