METHODS:At first,the cut nasal ends of lower lacrimal canaliculi were looked for with the aid of microscope or water infusion into upper lacrimal puncta.

• 方法:手术中应用粘弹剂从泪小点注入泪囊,根据泪囊的大小、形态及部位,切开泪囊,可争取得到较大的泪囊粘膜上瓣,并与鼻粘膜吻合。