albinism of iris

例句：

1. 1.The patient's albinism of iris made it difficult for him to see clearly.
   患者的虹膜白化症使他难以清晰地看见。
2. 2. The albinism of iris in the patient was caused by a genetic disorder.
   患者虹膜的白化症是由一种遗传性疾病引起的。
3. 3.The albinism of iris in the patient made it difficult for him to distinguish between light and dark.
   患者虹膜的白化症使他难以区分光线和黑暗。