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目前，中小学生的学业负担越来越重，其视力发育状况亦逐渐被人们所重视。为了全面了解各种外界因素对青少年视力发育的影响，更好地做好青少年的视力保护工作，我们对辖区内两所中学６８４名高三学生进行视力状况及影响因素的调查。结果报告如下。１调查对象和方法１．２调查
At present, primary and secondary school students become more and more burdensome for schoolwork, and their visual acuity has gradually been taken seriously by people. In order to fully understand the impact of various external factors on the development of visual acuity in adolescents and to do a better job of visual acuity protection for young people, we investigated the visual acuity and influencing factors of 684 seniors in two secondary schools in the area. The results are reported below. 1 survey and method 1.2 survey