When an 8-year-old child develops myopia, first of all, we need to clarify whether it is true myopia or pseudomyopia, and then give general treatment or wear glasses and other treatment methods. 1. Pseudomyopia: It can be improved by general treatment, such as eye massage and distant gazing, to relieve visual fatigue and improve myopia symptoms. It is also necessary to develop good eye habits, such as reducing the time of playing cell phones and other electronic products, doing more outdoor sports, and reducing the time of using eyes in close proximity. 2. True myopia: its occurrence and genetic factors and bad eye habits have a close relationship, after the emergence of myopia will lead to myopia children have vision loss performance, you can through the optometry examination to determine the exact degree of myopia and wear glasses to correct. You can determine the exact amount of myopia through optometry and wear eyeglasses to correct it, and develop good eye habits to slow down the growth of myopia. Parents are advised to take their children to the doctor in time for treatment of myopia in 8-year-old children.