Objective To investigate the practical value of sodium hyaluronate in locating the cut nasal ends of canaliculi in lower lacrimal canalicular laceration anastomosis.

• 目的探讨透明质酸钠在下泪小管断裂吻合术中寻找泪小管断端的应用价值。方法鼻腔用油沙条填塞后,从上泪小点注入透明质酸钠,寻找下泪小管鼻侧断端;