Letting out is of utmost importance, not only for the child’s eyes, but for his or her overall physical and mental health. Every day after school, she lets the child play in the yard for a while, and only comes home at meal time, then does his homework. After homework, continue to let the child in the home free activities, against the wall playing table tennis, is a very favorite activity of the child. Dr. Cheng says: Many people believe that playing table tennis can prevent myopia. This argument is good, but not comprehensive, all kinds of sports or activities, can reduce the child’s visual fatigue and prevent myopia. Weekend two days, Dr. Zheng also rarely let the child to participate in PuiYu activities, go to the East Lake, Mill Hill has become the family weekend most often leisure. Enjoy the body and mind, relax the eyes, the child’s overall physical condition is great, the eyes are naturally very healthy. Dr. Zheng introduced, there are colleagues to the child to do “cloud therapy”. The so-called cloud therapy, that is, let the child start reading to wear presbyopia glasses, the old man wearing presbyopia glasses for children to wear can play a relaxation of eye muscles, the role of vision protection. In fact, this method has a long history, in the 1950s. The specific method is to wear presbyopia glasses when the child is reading at home. Of course, wearing presbyopia glasses, but also need to go to the hospital to ask the doctor’s guidance, according to the child’s face, the distance between the pupils of the two eyes, as well as the development of the eyes themselves, to choose the appropriate degree of presbyopia glasses. Dr. Zheng said that the price of presbyopia glasses varies, her colleagues to the child with the cheap, a pair of only 80 yuan.