Objective To investigate the treatment of chronic dacryocystitis with endoscopy of the lacrimal drainage system, and to evaluate iti subsidiary surgical procedures in clinical applications.

• 摘要目的探讨经泪小点泪道内窥镜对慢性泪囊炎的治疗方法，观察其临床应用效果并评估辅助治疗方法的应用。