Methods 60 cases (60 eyes) of inferior lacrimal duct fragmentation were randomly divided into two groups:group A(30 cases) were treated by circle catheterization and group B(30 cases) treated by cis form catheterization.

• 方法 下泪小管断裂 60例 (60眼 )随机分为A ,B两组 ,A组 30例行环形插管术 ,B组 30例行顺式插管术。