Surgical methods included direct searching method, curved needle method and lacrimal sac incision.
手术方法分别采用直接寻找法，弯针法，泪囊切开法。
RESULTS: in 73 cases, 56 cases underwent direct searching method, 15 cases adopted curve needle method and 2 cases underwent incision of lacrimal sac.
结果：经治疗73例患者中直接寻找法吻合56例，弯针法吻合15例，泪囊切开法吻合2例。
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