Therapeutic effect of vitrectomy combined with extra panrentinal photocoagulation in angle neovascularization of diabetic retinopathy
Objective:To observe the long-term results of vitrectomy combined with extra panrentinal photocoagulation in angle neovascularization of diabetic retinopathy. Methods:To analyze retrospectively the clinical data of patients with diabetic retinopathy 5 stage with angle neovascularization 189 eyes (166 patients) during the year of 2010 to 2012, who were treated by pars plana vitrectomy and retinal coagulation. To observe the logMAR vision, the intraocular pressure, retinal fundus and variation of angle neovascularization. Fol ow-up duration varied 3,6,12months. Results:The angle neovascularization were decreased in al the 189 eyes within 3 months after the surgery. At the end of fol ow-up duration, angle neovascularization were regression completely in 173 eyes (91.5%), decreased in 12 eyes (6.3%), unchanged or increased in 4 eyes (2.1%), There were statistical significances between the data of before and after the surgery. Conclusion:There were certain therapeutic effects of vitrectomy for angle neovascularization in diabetic retinopathy. It could avoid eyes to develop as a consequence of neovascular glaucoma with good long-term result.
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