Objective To evaluate improvement of visual acuity for advanced proliferative diabetic retinopathy eyes with different complications after vitrectomy． Methods Four groups of advanced pr oliferative diabetic retinopathy (APDR) in 314 eyes with diabetes type Ⅱ and type Ⅰ were analyzed retrospectively: vitreous hemorrhage with limited traction retinal detachment (VH), extensive fibrovascular membranes with traction retinal detachment (TD), combined rhegmatogenous and traction retinal detachment (CRT) and cataract with vitreous hemorrhage or and traction retinal detachment (CHD)． Results 0．1 or better postoperative visual acuity was achieved in 59．5% of type Ⅱ and 66．7% of type Ⅰ in the VH group; 39．4% of type Ⅱ and 52．6% of type Ⅰ in the extensive TD group; 31．6% of the CRT grou p; 62．5% of the CHD group． The major intraoperative complication is iatrogenic retinal breaks． The causes of postoperative visual loss in present study included neovascular glaucoma (2．8% of type Ⅰ and 0．4% of type Ⅱ in aphakia, 25% of type Ⅱ in aphakia and 4．2% in pseudophakia), retinal detachment and CRAO． Conclusion The majority of APDR eyes obtained better visual improvement after vitrectomy and photocoagulation． (Chin J Ocul Fundus Dis, 2001,17:171-174)
Citation： LI Xiaoxin,JIANG Yanrong,YIN Hong,et al. Evaluation of vitrectomy in advanced proliferative diabetic retinopathy . Chinese Journal of Ocular Fundus Diseases, 2001, 17(3): 171-174. doi: Copy
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