为了解深圳市学龄前儿童视功能（视力、光觉、色觉、立体视觉等多种功能）状况，我们采用自行设计方法，对深圳市８６５例学龄前儿童进行视功能普查。结果显示：我市学龄前儿童视功能较差，视力正常者仅为４４．８６％，色觉和三级功能异常者分别为１．８５％和４．５１％；弱 To understand the status of presbyopic children in Shenzhen (visual acuity, photophobia, color vision, stereoscopic vision and other functions), we adopted a self-designed method to conduct visual census of 865 pre-school children in Shenzhen. The results showed that preschool children in our city had poorer visual function, only 44.86% of them had normal vision, 1.85% and 4.51% of them had abnormal color vision and tertiary dysfunction, weak