Nowadays, there are more and more students becoming short-sighted.Some students get short-sightedness when they are little.There are fifteen students wearing glassesin my class.Being short-sighted is common among students, even in primary school.That is too serious.Therefore, we should protect our eyes carefully.When we are reading and writing, we should keep a standard posture.Besides, we should not watch TV or play computer for too long.They are bad for our eyes.And, we should do eyes exercises regularly.A good rest is also important to our eyes.In all, eyes are the windows of our mind. We should keep it healthy.

　　现在，越来越多的学生近视了。有些学生在很小的时候就近视了。我们班上有十五个学生戴眼镜。近视在学生中变得很普遍，甚至是在小学。这种情况很严重。因此，我们应该好好保护眼睛。当我们读书写字的时候，我们应该保持正确的姿势。此外，不要长时间看电视或玩电脑，对我们的眼睛不好。并且，我们应该有规律的做眼保健操。好的睡眠对我们的眼睛也很重要。总之，眼睛是我们心里的窗口，我们应该保持它健康。