中小学生视力不良十分普遍,已成为重要的社会问题。视力损害对其全身发育乃至家庭和社会均可造成严重影响。分析中小学生近视发生的影响因素,探索预防青少年近视的对策,为预防控制中小学生近视提供科学依据,是我们公共卫生工作者的一项重要任务。1视力下降的原因根据甘肃省崇信 Poor eyesight among primary and middle school students is very common and has become an important social issue. Vision damage can have serious consequences for its general development and even for the family and society. Analysis of primary and secondary school students the incidence of myopia factors to explore prevention of juvenile myopia countermeasures to prevent and control primary and secondary students to provide a scientific basis for myopia is our public health workers an important task. 1 The reason for the decline in vision according to Gansu Province Chongxin