Myopia can be controlled by preventing over-exertion of eyes, increasing the time of outdoor activities and wearing suitable glasses. 1. Preventing excessive eye use: Usually, you should develop good eye habits and read books under bright natural light. Avoid looking at electronic products and reading books for a long time to prevent myopia from increasing. 2. Increase outdoor activities: More activities under natural light can help prevent and control the progression of myopia by relaxing the eyes and relieving fatigue. 3. Wear suitable glasses: If you are nearsighted, you should wear glasses that are suitable for your myopia at the ophthalmology department of a regular hospital to avoid the myopia from deepening too fast. If conditions permit, you can also follow the doctor’s instructions to choose corneal plastic lenses to correct myopia and control the development of myopia. If the patient has myopia, it is recommended to go to the ophthalmology department of the hospital in time to check the degree of myopia and correct it according to their own conditions.