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目的了解北京市东城区干预组和对照组学生视力变化情况,分析综合措施对防控学生视力不良的效果。方法采用方便抽样的方法,选取北京市东城区6所小学和6所中学的1 759名中小学生为研究对象,干预组710名,对照组1 049名。在干预组学生中采取包括健康教育、定期监测视力、坚持课间远眺和做好眼保健操在内的综合措施,对照组按照全区及学校的安排正常开展各种防近活动。结果经过1 a的综合措施干预,干预组学生视力不良检出率比干预前升高6个百分点,对照组升高6.6个百分点;干预组学生的视力不良新发率低于对照组,视力不良恢复率高于对照组。结论应以“预防为主,综合防控”为基本原则在中小学持续开展学生视力不良防控工作。
Objective To understand the changes of visual acuity of students in intervention group and control group of Dongcheng District in Beijing and analyze the effect of comprehensive measures on preventing and controlling students’ vision loss. Methods A convenient sampling method was used to select 1 759 primary and secondary school students from 6 primary schools and 6 middle schools in Dongcheng District of Beijing. The intervention group included 710 students in the intervention group and 1 049 in the control group. In the intervention group of students to take comprehensive measures including health education, regular monitoring of vision, insist on overlooking the class and do eye exercises, the control group in accordance with the arrangements for the region and the school to carry out a variety of normal activities. Results After a comprehensive intervention for 1 year, the detection rate of poor eyesight in the intervention group was 6% higher than that before the intervention and 6.6% higher in the control group. The incidence of poor eyesight in the intervention group was lower than that in the control group, Recovery rate higher than the control group. Conclusions Should be “prevention first, comprehensive prevention and control ” as the basic principle in primary and secondary schools to carry out students with poor visual acuity prevention and control work.