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1987年以来,我市对12所中小学(各6所)监测点校(均为城市学校)在校全部学生的视力低下、龋齿、沙眼、鼻病等学生常见疾病进行了监测。视力检查采用沈阳教学仪器厂产DGS-Ⅰ型单个视标电光显示视力表(国际标准视力表)。各种疾病均按河北省卫生厅编《疾病诊疗要点与疗效判定标准》要求进行检查确诊,以人为单位进行统计处理。1 视力低下 1987～1990年我市城市中小学生视力低下率呈逐年下降趋势,应基比:1988、1989、1990年分别比1987年下降14.01％16.66％、19.62％,下降幅度小学>中学。4年的视力低下率女(41.18％)大于男(33.19％),差异非常显著(P<0.01)见表1、2。
Since 1987, the city of 12 primary and secondary schools (6) monitoring point school (all urban schools) all students in school vision loss, dental caries, trachoma, rhinopathy and other students were monitored for common diseases. Visual acuity test using teaching equipment factory in Shenyang DGS-Ⅰ-type single optotypes optometry display eye chart (International Standard Chart). Various diseases were diagnosed and diagnosed according to the requirements of “Criteria of Disease Diagnosis and Treatment and Criteria of Efficacy” compiled by the Hebei Provincial Department of Health, and statistical treatment was performed on the basis of people. 1 low vision 1987 to 1990, the city’s primary and secondary school students visually impaired showed a downward trend year by year, should be based on: 1988, 1989, 1990, respectively, compared with 1987 decreased 14.01% 16.66%, 19.62%, the decline in primary> middle school. The prevalence of vision loss in 4 years was significantly higher in women (41.18%) than in men (33.19%) (Table 1 and 2).