Dr. Wen Daizong, Director of Quanzhou Aier Ophthalmology Myopia Prevention and Control Clinic; Because sufficient sunshine can supplement calcium for children's eyes, help to "strengthen" the sclera of the eyeball, and also stimulate the retina to secrete dopamine, effectively preventing the occurrence of myopia and controlling the development of myopia. At least 1 hour of outdoor exercise every day, preferably 2~3 hours, remember that it is not night exercise, but in the sun, which is a very effective natural therapy. Therefore, it is highly recommended that you try to increase outdoor sports.