1. Causes of myopia in children Myopia is a common eye disease with many causes, including genetics, environment, living habits and other factors. The main causes of myopia in children are incomplete eye development and overuse. In adolescence, the eyeballs are not fully mature. If you spend a long time reading books, watching TV, playing electronic products and other activities at close range, the eyes will be overused, resulting in an increase in the length of the axial length of the eye, thus causing myopia. 2. How to prevent myopia in children 1. Eye use time: Parents should set the time for their children to watch electronic products and read books every day, and at regular intervals