2 with old broken lacrimal canaliculus were applied the dacryocystotomy and implantation of tube of medical silica gel.

• 2例陈旧性断裂伤采用泪囊切开法寻找,找到泪小管鼻侧断端,并植入硅胶管吻合。结果:治愈25例冲洗泪道通畅,无溢泪症状。