原发性获得性鼻泪管阻塞(primary acquired nasolacrimal duct obstruction，PANDO)是泪道阻塞性疾病中最常见的一类，好发于中老年女性，是眼科临床上的常见病、多发病，常继发急性或慢性泪囊炎的症状和体征，严重影响患者的日常工作和生活。本文对近年来PANDO可能的发病机制相关的研究进展、亟待解决的问题及未来研究的热点方向作一综述，旨在进一步加深对泪道阻塞性疾病发生发展的认识。

Primary acquired nasolacrimal duct obstruction (PANDO), which mainly occurs in the middle-aged and elderly women, is the most common type of obstructive diseases of the lacrimal duct, and it is also a common and frequently-occurring disease in ophthalmology. It constantly occurs secondary to various symptoms and signs of acute or chronic dacryocystitis, which seriously affects the daily work and life of patients. This article summarizes the research progress on the possible pathogenesis of PANDO in recent years, the urgent problems to be solved

and the hot research directions in the future, aiming to further deepen the understanding of the occurrence and development of lacrimal obstructive diseases.