primary detachment of retina

例句：

1. 1. The patient'svision was severely impaired due to a primaryretinal detachment.
   由于一次原发性视网膜脱离，患者的视力严重受损。
2. 2. Thedoctor performed an emergency surgery to repair theprimary retinal detachment.
   医生紧急进行了手术修复原发性视网膜脱离。
3. 3. The patientwas referred to a specialist for further treatmentafter the primary retinal detachment was successfully treated.
   在成功治疗了原发性视网膜脱离后，患者被转介给专家进行进一步的治疗。