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本文报告了经泪道内Ｎｄ∶ＹＡＧ激光治疗各种慢性泪道阻塞２７２例２９７只眼，其中泪小管及泪总管阻塞１４１只眼，治愈１３５只眼，占９５．８％，单纯鼻泪管阻塞和慢性泪囊炎１５６只眼，治愈１４９只眼，占９５．５％。该方法是将导光纤维插入泪道腔内，用激光从腔内切除瘢痕、息肉等阻塞物，疏通泪道，具有组织损伤小，再通效果好，颜面部不留瘢痕等优点，经临床观察未见严重并发症。
This article reports 272 cases of 297 eyes of 272 cases of chronic lacrimal duct obstruction treated by Nd:YAG laser in lacrimal duct. Among them, 141 eyes of lacrimal duct and tear duct obstruction, 135 eyes were cured, 95.8%, simple nasolacrimal duct obstruction And 156 eyes with chronic dacryocystitis, 149 eyes were cured, accounting for 95.5%. The method is to insert the light guiding fiber into the lacrimal cavity, remove the scar, polyp and other obstructions with laser from the cavity, clear the lacrimal passage, has the advantages of small tissue damage, good recanalization effect and no facial scarring, No serious complications were observed.