choroidal detachment

例句：

1. 1. The patient was diagnosed with a choroidal detachment and underwent surgery immediately.
   患者被诊断出视网膜脱离，并立即接受了手术。
2. 2. The doctor explained the symptoms of a choroidal detachment to the patient.
   医生向患者解释了视网膜脱离的症状。
3. 3. The patient's condition worsened after the choroidal detachment occurred.
   患者的病情在发生视网膜脱离后恶化了。