How to Protect Your Eyesight (^_^)

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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 used your eyes an hour or so, especially staring at the computer screen. Second, pay attention to the following: Don't read in the sun or in a poor light; don't read in bed or 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 everyday. It will also help you keep good eyesight. If you obey the rules above, I think, you may prevet your eyesight from becoming short-sighted.