为了探讨小学生视力低下发生、发展的规律，为防近工作提供科学依据，现将万县市1991年至1996年追踪观察结果报道如下。1对象与方法鞍子坝小学一年级新生107名，其中男生46名，女生61名，连续观察6年，现力检查方法采用对数视力表，于每年3月份按照国家有关规定的技术检测进行 In order to explore the low vision of pupils occur, the law of development, to provide a scientific basis for prevention work, now Wanxian 1991-1996 follow-up observations reported below. 1 objects and methods Anshanba primary school freshmen 107, of which 46 were boys and 61 girls, continuous observation of 6 years, the current inspection method using logarithmic visual acuity chart, in March each year in accordance with the relevant provisions of the technical testing carried out