If a child is 12 years old and has 500 degrees of myopia after an optometric examination, the first step is to wear glasses early, which is the most important and the first step of treatment. After wearing glasses, the child’s vision can return to normal and maintain clear visual quality in general, which can also avoid the occurrence of eye fatigue and thus slow down the growth of myopia. In ordinary life, we should also let children try to maintain reasonable eye habits to prevent further growth of myopia, if myopia once more than 600 degrees, this situation is called high myopia, in addition to vision loss, there may cause a variety of fundus complications, such as leopard-like fundus, vitreous clouding, flying mosquitoes, etc., will bring a lot of inconvenience to life.