posterior polymorphous corneal dystrophy

例句：

1. 1. The patient's posterior polymorphous corneal dystrophy was treated with topical corticosteroids and antibiotics.
   患者后部多形性角膜变性，接受了局部皮质类固醇和抗生素的治疗。
2. 2. The diagnosis of posterior polymorphous corneal dystrophy is based on the presence of multiple, irregularly shaped areas onthe cornea.
   后部多形性角膜变性的诊断基于角膜上存在多个不规则形状的区域。
3. 3. In some cases, posterior polymorphous corneal dystrophy may lead to vision loss or require surgical intervention.
   在某些情况下，后部多形性角膜变性可能导致视力丧失或需要手术治疗。