为了解掌握本校学生在校期间的视力变化状况,笔者对2004级学生入学和毕业时的视力进行追踪观察,探讨视力下降的发生与发展规律,为做好大学生视力保护提供依据。1对象与方法1·1调查对象2004级本科生1 324名,其中男生500名,女生824名,男女之比1∶1·65。1·2调查方法统一用“E” In order to understand the change of eyesight of our students during their school days, the author traced the sight of the 2004 grade students when they were enrolled and graduated, and discussed the occurrence and development of the vision loss and provided the basis for the students’ eyesight protection. 1 Subjects and methods 1.1 The survey of 1 324 undergraduates in 2004, including 500 boys and 824 girls, the ratio of male to female 1:1 65.1 · 2 survey method unified with “E”