武汉市中小学生近视综合干预效果分析

Comparison of intervention effects on myopia by different methods among students

目的分析中小学生近视变化趋势,探讨多种干预措施对中小学生近视的干预效果。方法抽取武汉市10所学校91个班级共4 380名中小学生,随机分为干预组和对照组,分别采取综合干预、行为干预及眼保健操干预措施,干预时间为3个月,于干预前后均进行屈光状态分析,比较干预效果。结果 3种干预方法均能在不同程度上遏制中小学生近视增多的趋势,且综合干预法效果最好。表现为干预前后干预组近视人数无显著性变化,而对照组近视者多增长显著。结论应将防治近视的年龄段重点前移至有近视表象的儿童青少年进行综合干预。

Objective To analyze the tradjectory of primary and secondary students with myopia and evaluate the effects of different interventions for their myopia.Methods A total of 4 380 students of 91 classes were sampled from 10 schools in Wuhan.They were randomly divided into intervention groups and control groups,then a comprehensive intervention,a behavior intervention and a eyes exercises intervention were given them for three months.Refractive status analyses were conducted before and after the interventions respectively to evaluate the effects.Results All the three intervention methods had some effects in slowing down the increasing trend of myopia in primary and secondary students by different degrees,and the comprehensive intervention might be the best.There were no significant changes in of myopic students number before and after the interventions in the intervention group,but it grow up significantly in control group.Conclusion Poor eyesight prevention should be focused on children and adolescent who have some early symptoms of myopia and conducted a comprehensive intervention.