METHODS:The medial broken ends of the disrupted canaliculi of 56 cases(56 eyes)were searched under the microscope,and epidural catheters were used as supports for anastomosis.

• 方法:在显微镜下寻找断裂的下泪小管鼻侧断端,以硬膜外导管作为支撑吻合泪小管断端。