Objective To understand the status of poor eyesight and its change trend from 2009 to 2013 among junior high school and primary school students in Shenzhen,and to provide evidence for prevention and control of students’ poor eyesight in future.Methods 10 junior high schools and 10 primary schools were selected by cluster sampling meth-od.All students in the selected schools were included in the research.Information of students’eyesight was analyzed.Results A total of 114 843 person-time seyesight data were analyzed.There were 64 550 boys,50 293 girls,51 053 primary school students and 63 790 junior high school students.The rates of poor eyesight among them were 58.81% -62.58% from 2009 to 2013.Female students had a higher prevalence of poor eyesight than males (63.20% -67.25%for female students vs 54.71% -58.93% for male students,P <0.001).Moreover,junior high school students had higher prevalence of poor eyesight and moreserious situation than primary school students (70.65% -76.86% for junior high school students vs 41.56% -45.73% for primary school students,P <0.001).From the second grade,the prevalence of male and female poor eyesight increased with grade,and it was increased year by year.There was a linear trend between the prevalence of poor eyesight and academic year (P <0.001).Conclusion The situation of eyesight among students in Shenzhen is seri-ous and it has a trend of getting worse.Schools and families should cooperate closely to enhance protection of students’eye-sight,and to improve students’eyesight.%目的：了解深圳市2009—2013学年初中及小学生视力状况及变化规律，为防治学生视力不良提供依据。方法整群抽取深圳市小学和初中各10所，以抽中学校的所有学生为研究对象，对学生视力数据进行分析。结果共对114843人次的视力检查数据进行分析，其中男生64550人次，女生50293人次，小学生51053人次，初中生63790人次。2009—2013学年学生总视力不良率介于58．81％～62．58％之间，女生介于63．20％～67．25％之间，男生视力不良率介于54．71％～58．93％之间，各学年女生视力不良率及严重程度均显著高于男生（P ＜0．001）。2009—2013学年初中生视力不良率介于70．65％～76．86％之间，小学生视力不良率介于41．56％～45．73％之间，初中生视力不良率及严重程度均显著高于小学生（P ＜0．001）。从小学二年级开始男女生视力不良率均随年级逐年上升；同时，2009—2013年学生视力不良率亦逐年升高，近视不良率与学年之间存在线性趋势（P ＜0．001）。结论深圳市初中及小学生视力状况不容乐观，且有逐年上升的趋势，学校和家庭应密切配合，加强学生视力保护，切实改善学生视力状况。
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