为了解嘉兴市学龄前儿童视力水平及弱视患病率 ,唤起社会各界对儿童眼保健的重视 ,及早发现和治疗弱视 ,我们于1999年 4月对嘉兴市区托幼机构进行儿童弱视调查。1　对象与方法1.1　对象　嘉兴市区入幼儿童共 1115名 ,年龄 3～ 5岁 ,其中男 5 6 4名 ,女 5 5 1名。1.2　方法　采? In order to understand the preschool children’s visual acuity and the prevalence of amblyopia in Jiaxing, arouse the attention of all walks of life to children’s eye health and early detection and treatment of amblyopia, we investigated the amblyopia of children in Jiaxing city in April 1999. 1 Subjects and Methods 1.1 Object Jiaxing urban infants a total of 1115 children, aged 3 to 5 years, of which 564 were male and female 5 5 1. 1.2 method mining?