Aim:To understand the myopia status and related factors among students in Henan Province,analyze the relationship between sleep and myopia,and provide scientific basis for the prevention and control of myopia.Methods:A to-tal of 15 174 students from 4 cities in Henan Province who participated in the 2019 National Survey on Student Physical Fit-ness and Health were chosen as study subjects.A 5 meters standard visual acuity chart was used to check the naked eye vi-sion.Computer optometry was performed without cycloplegic.Questionnaires were used to collect general demographic char-acteristics and students'sleep status,duration of using electronic products,and duration of homework.Results:Sleeping late at weekends increased the risk of myopia in primary and middle students[OR(95％CI)was 1.278(1.010-1.618)and 1.464(1.109-1.932)];in junior and senior high school students,longer nap time reduced the risk of myopia[OR(95％CI)was 0.764(0.618-0.944)and 0.667(0.505-0.881)];in junior school and college students,greater social jet lag decreased the risk of myopia[OR(95％CI)was 0.772(0.607-0.982)and 0.511(0.292-0.893)].Conclusion:Sleeping late at weekends,short nap time and small social jet lag could increase the risk of adolescent myopia.
维普
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