论文部分内容阅读
一九八四年,我们对小学校中以整班随机抽样选择了1,753名学生(其中汉族629名,回族1,124名)作了视力不良及有关因素调查,视力检查方法按全国视力检测统一方法进行,屈光检查采用插片法,结果:1.正常视力1,561人,占89.05％,视力不良192,占10.95％,其中近视160人,近视占视力不良的83.33％。2.视力不良(远视力不足5.0)学生,城镇乡村分别为17.17％和7.47％(P<0.005);近视学生城镇乡村分别为14.31％和6.23％(P<0.005),经统计学处理,二者均有非常显著性意义。近视患病率城镇高于乡村。3.汉族男女学生近视率分别为12.24％和17.07％(P>0.5);回族男女学生近视率分别为4.27％和8.96％(P<0.005),二者间有非常显著性意义,女生
In 1984, we surveyed 1,753 students (629 Han and 1,124 Hui nationality) from primary schools for randomized assessment of their eyesight and related factors. The visual acuity test was conducted in accordance with the National Uniform Eye Examination Method, Refractive inspection using insert method, the results: 1. Normal vision 1,561, accounting for 89.05%, poor eyesight 192, accounting for 10.95%, of which 160 were myopia, myopia accounted for 83.33% of poor eyesight. (2) There were 17.17% and 7.47% (P <0.005) of poor students with visual acuity (less than 5.0 in distance vision) respectively, and 14.31% and 6.23% respectively in urban and rural areas of myopic students (P <0.005) Who have very significant significance. The prevalence of myopia in urban areas than in rural areas. The myopia rates of male and female students in Han nationality were 12.24% and 17.07% respectively (P> 0.5); the male and female students in Hui ethnic group were 4.27% and 8.96% (P <0.005), the difference was statistically significant