如何保护视力英语作文

People often say,"Eyes are the windows of soul".All of us understand the importance of the eyes.But how to protect eyesight still remains a question among us students.If you want to take care of your eyesight,you must pay attention to the following points.Firstly,you should not use your eyes continuously for long periods.After you have read for a long time,about two hours or so,you take a rest by looking at something more distant.Secondly,you should keep your book about a foot away from your eyes when you read it.You should also keep in mind:"Don't read in a dim light or in the sun; don't read in a moving bus or in bed." Doing eye exercises regularly will help you keep good eyesight.If you fail to keep these rules,you will become short-sighted sooner or later.