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[目的]了解茌平县中学生视力低下情况,以便寻求防护措施。[方法]整理茌平县疾病预防控制中心2005~2007的学生健康查体资料,视力检查采用标准视力表测试。[结果]总视力低下率为62.98%,2005年为57.25%,2006年为64.33%,2007年为68.17%,视力低下率呈逐年升高趋势,差异有统计学意义(χ2=406.15,P<0.01)。不同性别、学习阶段、城乡,普通中学和职业类中学生之间的差异均有统计学意义(P<0.01)。[结论]茌平县中学生的视力低下率比较严重并逐年升高,视力低下仍是学生常见病防治工作重点。
[Objective] To understand the low vision of middle school students in Chiping County in order to seek protective measures. [Methods] The data of health examination of students in Chiping County Center for Disease Control and Prevention from 2005 to 2007 were collected, and the visual acuity test was tested by standard eye chart. [Results] The total vision loss rate was 62.98% in 2005, 57.25% in 2005, 64.33% in 2006 and 68.17% in 2007. The prevalence of vision loss increased year by year with a statistically significant difference (χ2 = 406.15, P < 0.01). There were significant differences among different genders, stages of learning, urban and rural areas, middle school and vocational school children (P <0.01). [Conclusion] The low sight rate of middle school students in Chiping County is more serious and increases year by year. The low vision is still the key point of prevention and treatment of common diseases of students.