9 year old boy myopia more than 100 degrees can be corrected, with the nature of myopia, generally false myopia can be restored, but true myopia can not be restored, can be corrected by prescription lenses, improve vision. 9 year old boy myopia more than 100 degrees to figure out whether it is true myopia or pseudomyopia, generally pseudomyopia children through changing bad eye habits, relax the ciliary muscle, can restore orthoptic state, improve vision. At present, true myopia can not be reversed, the child can wear appropriate frame glasses to correct myopia, improve visual acuity, in adult patients can choose to perform surgical correction of myopia, such as corneal laser surgery. In addition, 9-year-old boy myopia more than 100 degrees should also pay attention to avoid prolonged close-distance, reading in a dark environment, as well as prolonged use of the eyes, look at electronic products, avoid staying up all night, maintain adequate sleep, in the daily life can also be carried out some outdoor physical activities, to maintain eye vision. It is recommended that children with myopia should consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.