Pars plana vitrectomy with separation of the posterior hyaloid was performed in six eyes with tractional macular edema with a thickened and taut premacular posterior hyaloid.

• 摘要我们报告六个以经平坦部玻璃体切除及后玻璃体膜分离治疗牵扯性黄斑水肿的病例。五例源于糖尿病网膜症，一例源于网膜侧枝静脉阻塞。