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鼻泪管(ＮａｓｏｌａｃｒｉｍａｌＤｕｃｔＮＬＤ)是泪道系统阻塞最常发生的部位,发生的原因可以是先天性鼻泪管发育畸形或鼻泪管膜样物残存,先天性鼻泪管阻塞(ＣｏｎｇｅｈｉｔａｌｎａｓｏｌａｃｒｉｍａｌｄｕｃｔｏｂｓｔｒｕｃｔｉｏｎＣＬＤＯ)多为管道化过程缺陷,常见于
Nasolacrimal DuctNLD (nasolacrimalDuctNLD) is the most common site of lacrimal duct obstruction occurs, the reason may be due to congenital nasolacrimal duct deformity or nasolacrimal duct membrane-like remnants of congenital nasolacrimal duct obstruction (CongehitalnasolacrimalductobstructionCLDO) mostly pipe Process defects, common in