Analysis of causes for postoperative low vision after cataract phacoemulsification and intraocular lens implantation;

The causes of 156 senile low vision in low vision clinic;

Survey of blindness and low vision among Uigur peasants above 40 in Kuche country of Xinjiang;

Objective To assess the aetiology of children with nonamblyoptic subnormal visual acuity using fundus examination and electrophysiologic testing.

[Results]Poor eyesight rate grew with higher grade,but the growth rate altered bigger in low-grade students than high-grade students;the situation of kids in urban school and primary school were worse than kids in suburban school and ordinary school,but the poor eyesig.