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作者分析增殖型糖尿病视网膜病变（ｐｒｏｌｉｆｅｒａｔｉｖｅｄｉａｂｅｔｉｃｒｅｔｉｎｏｐａｔｈｙ，ＰＤＲ）合并严重玻璃体出血、黄斑部视网膜前出血、牵拉性视网膜脱离、牵拉性视网膜脱离并发孔源性视网膜脱离共８１只眼进行玻璃体切割手术的结果。８３．９％的患眼手术后视力获得不同程度的改善，ＰＤＲ的严重程度对手术后视力有一定的影响，Ｖ期患者手术后出血率较高。虹膜红变的发生率与ＰＤＲ的严重程度无关，但晶体切割眼的虹膜红变发生率高于有晶体眼。手术后视网膜脱离和出血不吸收均可导致虹膜红变的发生。
The authors analyzed the results of vitrectomy in 81 eyes with proliferative diabetic retinopathy (PDR) complicated with severe vitreous hemorrhage, macular retinal hemorrhage, traction retinal detachment, traction retinal detachment and rhegmatogenous retinal detachment . Visual acuity was improved to some extent in 83.9% of eyes after operation, and the severity of PDR had a certain influence on the visual acuity after operation. The bleeding rate of patients in stage V was higher after operation. The incidence of iris redistribution has nothing to do with the severity of PDR, but the incidence of iris redisation in the crystalline-cut eye is higher than in the crystalline eye. Retinal detachment and bleeding after surgery can lead to iris red occurrence.