Methods New and old lacerated cananiculi are treatd by direct intubation,bend needle,incision on anterior part of eyelid-bend needle,incision on whole layer eyelid.

• 方法采用直接插入法,弯针法,眼睑前叶切开-弯针法,眼睑全层切开-弯针法治疗新鲜泪小管断裂及陈旧性泪小管断裂。