As we all know that the eyes are very important for us and it is essential for us too.So It is important for everyone to keep good eyesight. But do you know how to protect your eyesight?

　　我們都知道眼睛對我們是很重要的也是必不可少的。因此，對所有人來說保持好的視力是很重要。

　　First, dont keep your eyes work for a long time. Youd better have a rest by looking in the long distance after you have studied an hour or so.

　　首先，不要讓你的眼睛工作太長。你最好看一看遠處來讓眼睛休息一下在你學習了一個小時左右后。

　　Secondly, pay attention to the following: Dont read in the sun or in a poor light; dont 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.

　　第二，注意以下的：不要在太陽底下或者燈光微弱的地方看書。不要在床上或者開著的車上看書。看書的時候應該讓眼睛和書保持一英尺的距離。

　　And thirdly, do eye-exercises every day. It will also help you keep good eyesight.

　　第三，每天做眼保健操。這也能夠讓你保持好的視力。

　　If you obey the rules above, I think, you may prevent your eyesight from becoming short-sighted.

　　如果你按照上面的去做了，我覺得你可以讓你的眼睛防止近視。

　　As we all know that the eyes are very important for us and it is essential for us too.So It is important for everyone to keep good eyesight. But do you know how to protect your eyesight?

　　我們都知道眼睛對我們是很重要的也是必不可少的。因此，對所有人來說保持好的視力是很重要。

　　First, dont keep your eyes work for a long time. Youd better have a rest by looking in the long distance after you have studied an hour or so.

　　首先，不要讓你的眼睛工作太長。你最好看一看遠處來讓眼睛休息一下在你學習了一個小時左右后。

　　Secondly, pay attention to the following: Dont read in the sun or in a poor light; dont 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.

　　第二，注意以下的：不要在太陽底下或者燈光微弱的地方看書。不要在床上或者開著的車上看書。看書的時候應該讓眼睛和書保持一英尺的距離。

　　And thirdly, do eye-exercises every day. It will also help you keep good eyesight.

　　第三，每天做眼保健操。這也能夠讓你保持好的視力。

　　If you obey the rules above, I think, you may prevent your eyesight from becoming short-sighted.

　　如果你按照上面的去做了，我覺得你可以讓你的眼睛防止近視。