Myopia at the age of four may be both pseudomyopia and true myopia. It is usually corrected by general treatment, medication and glasses. 1. Pseudomyopia: Prolonged close-distance eye use or frequent use of computers, cell phones and other electronic products, so that the eyes are always in a state of fatigue, which leads to a decrease in naked eye vision, but the eye axis is normal, so this is pseudomyopia. The first thing to do is to maintain reasonable eye habits, which is the most fundamental way to control pseudomyopia. You can also use low concentration of atropine eye drops, atropine can relieve the spasm of the eye, can make the eye ciliary muscle in a relatively relaxed situation, is conducive to the improvement of pseudomyopia. 2. Genuine myopia: caused by the prolongation of the eye axis or the refractive power of the refractive system of the eye is too strong, with genetic factors and bad eye habits are related. First of all, let your child develop a good eye habit, avoid looking at electronic products for a long time. And at the same time to give the child with glasses for correction, can make the patient’s vision can be corrected, to avoid the degree of increase too fast. If a four-year-old child is nearsighted, it is recommended to go to the hospital in time, after a clear examination, actively cooperate with the doctor for correction.