heterophthalmia

例句：

1. 1. He had a rare condition called strabismus that caused him to have trouble seeing clearly.
   他患有一种罕见的疾病，叫做斜视，导致他看东西时有困难。
2. 2.The child was diagnosed with strabismus and required corrective lenses.
   这个孩子被诊断出患有斜视，需要佩戴矫正镜片。
3. 3. The patient's eyes were misaligned due to the condition, making it difficult for them to focus on objects.
   由于这种状况，患者的眼球对焦困难，难以聚焦于物体。