| Research purposes:This article investigates the outdoor activities and nearsightedness of 7-15 year-old students in Nanjing,discusses the relationship between outdoor activities and myopia,analyzes the main influencing factors of outdoor activity reduction,prevents myopia,reduces myopia,and promotes The student’s outdoor activities provide theoretical basis.Research Methods:The main use of literature,questionnaires,data analysis,interviews.conclusions:1.With the increase of age,the student’s myopia rate continues to increase,and girls of all grades generally have higher myopia than boys.Myopia tends to be younger.2.With the increase of grades,the students’ outdoor activities continue to decrease in time.3.On the study day,the outdoor activities of junior high school myopia students were shorter than those of normal sighted students.On weekends,the average daily outdoor activities of myopic students aged 7-15 were shorter than those of normal vision students.myopia and visually-impaired students have the same average time for outdoor activities.4.School-led,family support,and active personal involvement are major factors that affect students’ participation in outdoor activities.The impact of the environment and policy on student participation in outdoor activities is not direct. |