Nowadays, with the popularity of electronic products and the increased burden of schoolwork, glasses have become the “standard” for most students. Some parents of second graders report that one third of a class is nearsighted, which is a frightening ratio! Students are always seen carrying big school bags with a pair of heavy glasses shaking on their faces. As we all know, glasses not only affect the aesthetics, to the students’ learning, sports, life also caused great trouble, and even affect the students’ future school choice and employment, let people heartbroken. According to the data survey, China’s myopia patients amount to 600 million, ranking first in the world. Sixty years ago, only 10-20% of people in China were myopic; today, up to 90% of teenagers suffer from myopia. Currently, 45.7% of primary school students are myopic, 74.4% of junior high school students are myopic, 83.3% of high school students are myopic, and 87.7% of college students are myopic. Youth myopia prevention and control can not be delayed! Parents should do the following four things: 1, help children to develop good habits Myopia prevention should start at an early age, parents must pay attention to the development of habits of children in the growing process, pay attention to the development of good health habits, eye habits, learning to maintain the correct posture of reading and writing. 2.Strengthen outdoor sports Outdoor sports can avoid overconsumption of children’s farsighted reserve. Children’s eyes do not get a good rest due to the pressure of studying and the heavy burden of schoolwork, so outdoor sports can effectively relax children’s eyes and reduce visual fatigue. 3.Establish visual development file By regularly recording the child’s height, eye axis, corneal curvature, intraocular pressure, refractive state, etc. to form a refractive development file, you can closely track the child’s visual health development. The foundation for effective myopia prevention and control is laid. 4, reduce the frequency of electronic product use Excessive use of electronic products can easily cause myopia in children. To do a good job of myopia prevention and control, parents should reasonably control the time and habits of their children in using electronic products, and set an example by guiding their children correctly. How to correct myopia in teenagers? 1, wearing frame glasses If your child is truly myopic, you can correct your vision by wearing frame glasses, which is the most economical and convenient means. Many parents believe that wearing glasses will get deeper and deeper, delaying the child from wearing glasses, which is a misconception. Myopia does not wear glasses, will aggravate the child’s visual fatigue, but will deepen myopia. 2, wearing keratoplasty lenses keratoplasty lenses, sleep myopia prevention and control, specifically is to wear a pair of hard contact lenses every night when sleeping, the cornea flattened, the next morning to take off, vision can be maintained for a day normal. This method is suitable for low to moderate myopia and has the advantage of slowing down the progression of myopia and avoiding the hassle of wearing frame glasses. Before wearing keratoplasty lenses, a thorough examination is required, which includes naked eye vision check, vision check with lenses, computerized optometry, corneal topography, eye axis check, synoptic machine check, endothelial cell check and so on. After a strict examination, those who meet the requirements can undergo the fitting of keratoplasty lenses.