How to Protect Your Eyes

<正>Eyes are windows of the soul.Everyone knows how important the eyes are.If you want to protect your eyes,you must pay attention to the following things.First,you should not keep your eyes working for a long time without a break.You'd better have a rest by looking into the distance.Second,you should keep the book about one foot away from your eyes when you read it.Third,do eye-exercise every day.It will also help you have a good eyesight.