Objective:To further understanding of the YAG laser treatment in the lacrimal duct disease,the data of patients after surgery in clinic,prognosis,and the results were observed.

• 目的:为了进一步了解YAG激光在临床对泪道病的治疗情况,预后的观察随访的结果,我们对所做的患者进行分析、总结。