一、对象及方法选择两处重点高中及三处普通高中,对学生总数,戴眼镜人数,眼镜来源进行了调查。又对近期在本院接受验光配镜者的职业及瞳距进行调查。瞳距的测量是采取习惯的测一眼瞳孔颞侧缘至另一眼瞳孔鼻侧缘的方法。对788副眼镜进行了光学中心距离的测量,是用十字线法测量,度数用镜片箱中标准镜片中和法测定。在工商局配合下,对部分眼镜店、摊的1535副治疗 First, the object and method Select two key high schools and three ordinary high schools, the total number of students, wearing glasses, glasses were investigated. Also in the recent acceptance of optometry optometry practitioners and IPD investigation. Pupil distance measurement is to take a habit of measuring the temporal edge of the pupil to the other pupil nasal edge of the method. The 788 pair of glasses were measured optical center distance is measured with the cross line method, the degree of lens box with the standard lens neutralization method. In cooperation with the Trade and Industry Bureau, on the part of the optical shop, booth 1535 treatment