Objective To investigate the reasons of retinal redetachment and bad visual acuity after primary vitrectomy in the treatment of pseudophakic retinal detachment(PRD).

• 目的探寻人工晶状体眼裂孔性视网膜脱离(pseu-dophakicretinaldetachment,PRD)玻璃体切割术后视网膜再脱离和视力差的原因。