慢性泪囊炎患者既往均由眼科医生经外鼻入路手术治疗 ,其手术关键是在泪囊下塑造一个骨孔 ,使之与鼻腔相通 ,开放了泪囊与鼻腔的通道 ,解决了泪道的阻塞 ,但同时也给患者的颜面部留下了永久性的瘢痕 ,给患者带来了痛苦。随着鼻内镜的应用 ,耳鼻咽喉科医生开始经鼻腔开放泪囊治 In the past, chronic dacryocystitis patients were surgically treated by the ophthalmologist via the external nasal route. The key of the operation was to create a bone hole under the lacrimal sac so as to communicate with the nasal cavity and open the channel of the lacrimal sac and nasal cavity, Of the obstruction, but also left a permanent scar on the face of the patient, causing pain to the patient. With the use of endoscopic endoscopy, otolaryngologists begin to treat lacrimal sacs through the nasal cavity