preretinal hemorrhage

例句：

1. 1.The patient was diagnosed with preretinal hemorrhage and underwent urgent treatment.
   患者被诊断出前视网膜出血，并接受了紧急治疗。
2. 2.The sudden drop in blood pressure caused a preretinal hemorrhage.
   突然下降的血压导致了前视网膜出血。
3. 3.The doctor advised the patient to avoid stress and reduce his alcohol consumption, as it could lead to preretinal hemorrhage.
   医生建议病人避免压力，减少酒精摄入，因为这可能导致前视网膜出血。