How to Protect Your Eyesight（怎样保护你的视力）

It is important for everyone to keep good eyesight But do you know how to protect your eyesight? First don\'t keep your eyes working for a long time You\'d better have a rest by looking in the long distance after you have studied an hour or so Second pay attention to the following: Don\'t read in the sun or in a poor light; don\'t read in bed or in a moving bus And when you read you should keep the book away from your eyes for about a foot And third do eye-exercises every day It will also help you keep good eyesight If you obey the rules above I think you may prevent your eyesight from being short-sighted。