ObjectiveTo evaluate the clinical value of lacrimal duct stent for treatment of lacrimal sac mucocele.

目的评价鼻泪管支架植入术在治疗泪囊黏液囊肿中的应用价值.

Objective To try to find out surgical treatment method for superior and inferior lacrimal duct disrupted simultaneously.

目的探讨上、下泪小管同时断裂的手术治疗方法。