It is reported that over 300 million people in China are suffering from nearsightedness. As more children have got11 trouble, their parents hope to cure the disease by some different ways, such as by correcting the way children12 and sit. But in fact, one should start with the exercise with one's feet. Here are three13 to save eyes.
First, don't tie your shoes too closely. Try to wear comfortable and soft shoes and14 or walking without shoes and socks at home. While you are travelling, try to15 cloth shoes in order to improve blood circulation. （循环）
Second, walking on tiptoes（脚尖）is good16 one's eyesight. It can fight against eyesight trouble. Numbers show that17 of ballet（芭蕾）performers' eyesight is better.
Third, rope skipping18 good to one's eyesight. When skipping the rope, one has to move quickly, making both the brain and the eyes excited. It may also help19 one grow taller.
Besides foot exercises, it is good to20 one's ears. Pulling the ears 20 times quickly is also a great way. It can keep one's eyes healthy.
