A person can improve his or her own eyesight for free using natural methods such as eye yoga exercise; the aim of this exercise is to massage the muscles around the eyes. Another way of improving your eyesight is to quit smoking and eat plenty of carrots. Carrots contain beta carotene that is converted to Vitamin A, which maintains a healthy vision.
How to Improve Eyesight? – http://answers.ask.com/Health/Other/how_to_improve_eyesight