安徽工学院幼儿园,自1987年6月以来,三年的全面体检中,儿童视力低下情况逐渐增长。为探究其原因,以便制定有效防治措施,现将1987至1989年调查情况分析如下: 1 对象与方法 5岁以上在园儿童96人,男孩53人女孩43人。采用儿童形象视力表(检查前先让儿童 Anhui Institute of Technology kindergarten, since June 1987, three years of comprehensive physical examination, children with poor vision gradually increased. In order to explore the reasons for the development of effective prevention and control measures, the survey conducted from 1987 to 1989 is as follows: 1 Subjects and Methods 96 children aged 5 and over in the park, 43 boys and 43 girls. Use the child’s image eye chart (check before making the child