There is no doubt that doing eye excises are good to our eyes. And there are people who improve their vision after long time of persisting eye exercise. But it is really take times and need perseverance. Anyway, doing eye excises is a good way keep our eye health. One of the simple eye exercises is to use a pen and draw the letter E on a piece of paper. Exercisers are required to put the paper near the eye and try to concentrate firstly on the uppermost bar, and then on the lowest bar and finally the center bar. After that, place the paper a few feet away and repeat such a process until the E on the paper is invisible. After that, bring back the pen and start a new round of the above steps.