为了解我国儿童视觉发育状况,对甘肃省兰州市700余名学龄前及学龄儿童的视力和立体视锐度进行了调查,现报告如下。材料及方法对象:为两所市级幼儿园和1所普通小学。年龄范围4—13岁。年龄的确定是先由家长填写出生年、月、日登记表,再根据张家健等方法划分。视力检查724人1448只眼,其中男365人,女359人。立体视觉检查707人,其中男356人,女351人。方法:视力检查用缪氏设计的远对数视力表,5 To understand the visual development of children in our country, we investigated the acuity and stereo acuity of more than 700 preschool and school-age children in Lanzhou, Gansu province. The report is as follows. Materials and Methods Target: Two municipal kindergartens and one general primary school. The age range is 4-13 years old. Age is determined by the parents fill in the birth year, month, day registration form, and then divided according to Zhang Jiajian and other methods. 724 people with visual acuity 1448 eyes, of which 365 were men and 359 women. Stereoscopic examination of 707 people, of which 356 were male and female 351 people. Methods: Visual inspection with far-logarithmic visual acuity chart designed by Miao, 5