我们于1999年10月对肥城市5所高中学校学生进行了视力调查。现将调查结果报告如下。1资料来源及调查方法本次调查肥城第一高级中学、第二高级中学、第三高级中学、第一职业高中、第二职业高中16－19岁高中生的视力情况。检查采用标准对数视力灯箱，按规范进行。凡裸眼视力等于 In October 1999, we conducted a vision survey of five high school students in Feicheng City. The survey results are reported below. 1 Sources of information and survey methods The survey of sightings of females aged 16-19 in Feicheng No. 1 High School, No. 2 High School, No. 3 High School, No. 1 Vocational High School and No. 2 Vocational High School. Check the standard logarithmic sight light box, according to the specification. Visual acuity is equal to the naked eye