Method The clinical data of 15 cases with chronic dacryocystisis accepted dacryocystorhinostomy through nasal cavity and lacrimal sac were analyzed retrospectively.

回顾分析经窥腔泪囊吻合术治疗慢性泪囊15临床资料。

Conclusion The lacrimal pathway obstruction after external dacryocystorhinotomy can usually be cured by the transnasal endoscopic examination and treatment.

结论对经外泪囊腔吻合术后泪道不通病，对吻合口进行检查，针对不同情况进行相应处理，常能使病人再次康复。

Dacryocystography was preformed in all patients before operation to confirm the obstructive sity and the size of lacrimal sac.

术前造影以了解泪囊大小和阻塞部位，以选择最佳手术适应证。