deuteranopic

例句：

1. 1. The patient had a history of diplopia, which was caused by a brain injury.
   患者有双视症的历史，这是由脑损伤引起的。
2. 2. The researchers are studying the causes of diplopia in children.
   研究人员正在研究儿童双视症的原因。
3. 3. The patient's vision was severely affected by the diplopia, making it difficult for him to see clearly.
   患者的视力因双视症而受到严重影响，使他难以清晰地看到。