青少年的视力问题是社会各方面普遍关注的问题,为了掌握纳西族青少年的视力状况,对纳西族初三学生视力进行调查分析,现报告如下。1 调查对象及方法1.1 对象 1997年7月对丽江双亲均为纳西族的初三学生进行视力调查。总调查人数为831人。其中男395人,女436人。年龄分布为:14岁19人,15岁165人,16岁388人,17岁230人, The issue of sight of young people is a common concern in all aspects of society. In order to grasp the sight of adolescents in Naxi ethnic minority, the investigation and analysis of the eyesight of Naxi third grade students are as follows. 1 Subjects and Methods 1.1 Subjects July 1997 Lijiang parents were all Naxi junior students to carry out vision survey. The total number of inquiries is 831. Among them, 395 are male and 436 are female. Age distribution: 14 years old 19 people, 15 years old 165 people, 16 years old 388 people, 17 years old 230 people,