The growth of myopia in children is a common phenomenon, in addition to the heavy academic burden, the uncontrolled use of cell phones, computers and other electronic products, eyes have been in a state of visual fatigue, is an important reason. The correction of myopia in children and adolescents must be “medical optometry, scientific prescription” to be scientifically effective; at the same time, the correction of difficult and complex myopia should also be carried out binocular visual function examination. 1, optometry clinic medical diagnosis Many factors affect children’s vision loss, when children appear to see things blurred, parents should promptly take their children to the hospital, ask professional pediatric ophthalmologist to make a comprehensive diagnosis, determine whether myopia and is true myopia or pseudomyopia, and then the right treatment; to avoid not the right treatment and missed treatment time. 2, medical optometry + “binocular vision function” examination Children’s optometry and prescription, the first need to dilate the pupil, so as to check its true refractive state; In addition, medical optometry also on the basis of conventional optometry, to do the main eye, eye position and adjustment force measurement and binocular adjustment balance test, pupillary distance measurement, and according to these results combined with Based on these results and the specific situation, the most appropriate personalized prescription is given. For the optometrist, it is not only about the change of visual acuity, but also about the visual quality and visual status. This is because the visual status is what determines whether the patient can better adapt to the eye condition after prescription. The analysis of the state of the eye must have the data of the visual function examination. Therefore, the visual function examination is an essential step in youth optometry. 3, myopia control Myopia below 600 degrees can consider keratomileusis, keratomileusis control the development of myopia is 8 times than the conventional frame glasses. At the same time, keratoplasty lenses only need to be worn for 8-10 hours at night while sleeping, and daytime distance vision will be significantly improved, which is very convenient to wear and use. 4.Create good eye habits 1.Create a good learning environment, such as classroom and home lighting, qualified printing, the height of the table and chairs in line with the physiology of adolescents, etc. 2.Create good reading and writing habits, keep standard sight distance when reading and writing, control the time of watching TV, operating computer and playing video games; standardize the eye distance when doing homework; train far-seeing between studies to reduce visual fatigue. 3. Carry out physical exercise, increase outdoor activities, and eat a reasonable diet with balanced nutrition.