目的 了解辖区内各级托幼园所儿童视力异常情况,提升保健医生和家长对儿童用眼卫生保健意识,拓展儿童保健服务范围.方法 采用美国伟伦视力筛查仪在自然状态下对辖区内57所托幼园所2～7岁5111名(男童2788人,女童2323人)儿童进行屈光检查.结果 视力筛查异常者856人,各级托幼园所儿童视力筛查异常率比较无显著性差异(P>0.05),不同性别儿童视力筛查异常率比较无显著性差异(P>0.05),不同年龄组儿童视力筛查异常率比较有显著性差异(P<0.01).结论 开展儿童眼保健工作刻不容缓,对散居儿童更应做视力筛查.屈光筛查对早期发现儿童视力异常,采取早期干预措施具有重要意义.

目的 对2004-2008年兰州市中小学生常见病进行动态分析,为学生常见病防治措施提供科学依据.方法 对2004-2008年兰州市中小学生健康监测数据进行统计分析,评估学龄儿童常见病发病情况,分析逐年变化规律.结果 学生视力不良率居高不下,患病率均在30%以上,尤其是女生高于男生;沙眼和龋齿2004年后患病率呈逐年下降趋势,沙眼患病率从2004年的25.70%下降到2008年的10.10%,龋齿患病率从2004年的29.52%下降到2008年的17.57%.结论 兰州市学生沙眼和龋齿患病率明显下降.但患病率仍然在较高水平.视力不良检出率一直居高不下,应引起有关部门的高度重视.

Objective To study growth and development status in 7-18 year-old primary school and middle school students in Lanzhou so as to provide some basic information for health policy makers and evaluating tools for intervention measures.Methods By use of cluster sampling,students from 52 schools(1 high school,11 junior middle schools,40 primary schools)in Chengguan District were investigated and measured in height,weight,chest circumference and pulse.In the end,all the results were analyzed.Results It showed that height rapid growth appeared during 12-13 years old for boys and the average yearly growth reached 6.8 cm while for girls it appeared during 11-12 years old and the yearly growth reached 6.6 cm.As to the weight rapid growth,the peak status for both boys and girls appeared at 12 years old with no crossing up on the curves of weight growth.Chest circumference for both boys and girls increased continually till 16 years old.On average,for those aged 13-15,boys had equivalent chest circumference as girls.Conclusion Growth and development in adolescents aged 7-18 in Chengguan District showed no deviation from the general population in China in spite of somewhat unbalanced development.

OBJECTIVE To understand the prevalence of some common diseases including poor visual sight,trachoma and dental caries of 7～15 Years-old Children and Teenagers in Lanzhou and provide the scientific evidence for the prevention and health care in middle and primary schools. METHODS Use of whole sampling method to investigate the prevalence of some common diseases of the students studying at 51 schools in 2005(11 of junior middle school,40 of primary school)in Chengguan District. A physical examination was conducted according to the protocol and diagnosis standards that were prescribed by criterion for the annual report forms about the school hygienic status . Results were statistically analysed. Some common diseases including poor visual sight,trachoma and dental caries were epidemiologically surveyed. RESULTS The results showed that incidence rate of poor visual sight is 32.40%,the trachoma rate is 13.98% and the caries rate is 7.53% in 2005. CONCLUSIONS Common diseases including poor visual sight,trachoma and dental caries are still a main public health problem. Some effective preventive measure ments should be implemented such as health education and preventive and control plan.