pupillary border的用法和样例：
例句
- The pupillary membrane was torn by the contraction of the pupillary extensor.The incision was enlarged until the pupillary membrane rolled in the anterior chamber.
自上方瞳孔缘作切口，借瞳孔扩大肌收缩力撕破瞳孔膜，扩大切口至瞳孔膜卷缩于前房内。 - The complications included corneal edema and damage of pupillary margin in the operation, and anterior vitreous inflammatory reaction after the operation.
本组并发症主要为角膜水肿，瞳孔缘虹膜咬伤，前段玻璃体炎症等。
