Due to the influence of the general environment: too many electronic products and too heavy study tasks, many children nowadays are nearsighted. And once myopia occurs, the number of degrees may keep increasing as they get older. Myopia is a worldwide problem, and although many scholars and experts have been working on myopia research and control and treatment methods, there are still methods in the world that can completely treat myopia, so the best method we can take at the moment is how to control the increase of myopia. Because myopia is too high may bring so many hazards and complications as follows: 1, myopia is too high will lead to the inability to do excimer surgery in adulthood. 2. High myopia can be passed down to future generations. 3.Guided myopia will lead to a series of fundus complications: fundus atrophy, macular hemorrhage, macular edema, retinal detachment, vitreous mechanization clouding, etc. 4, excessive myopia can also lead to anterior bulging of the eye, affecting the aesthetics, etc. Therefore, for adolescents with myopia, measures to control the increase in the number of degrees should be taken as early as possible. Many studies have confirmed that keratomileusis is the best and most effective way to control myopia development. I have found that keratoplasty does work well to control myopia. However, it is worth mentioning that keratoplasty is a medical device and the requirements for fitting are very high, so I hope you will go to a regular hospital for fitting. To use a common analogy: the same piece of cloth, different tailors to make clothes, comfort, aesthetics may be very different. This also explains why the same plastic lens, or the same brand of plastic lens, because the choice of different places, the effect is not the same reason.