4Smiddy WE, Hynn HW. Vitrectomy in the management of diabetic reti- nopathy. Surv Ophthalmol, 1999,43:491.
5Ikeda T, Sato K, Katano T, et al. Vitrectomy for cystoid macular edema with attached posterior hyaloid membrane in patientsv with diabetes. Br J Ophthalmol, 1999,83 : 12.
9Early teatment of diabetic retinopathy study research group. Early photocoagulation for diabetic retinopathy: ETDRS report number 9.Ophthalmology, 1991,98:766-785.
10Fong DS, Fends FL, Davis MD, et al. Causes of severe visual loss in the earlytreatment diabetic refinopathy study: ETDRS Report No 24. Early Treatment Diabetic Retiopathy Study Group. Am J Ophthalmol, 1999,127(2):137- 141.
4Cilen~,ek I,Manko~. S,Globo~nik Petrovi~ M,et aI.The 4a/4a genotype of the VNTR polymorphism for endothelial nitric oxide synthase (eNOS) gene predicts risk for proliferative diabetic retinopathy in Slovenian patients (Caucasians) with type 2 diabetes mellitus.Mol Biol Rep.2012;39(6): 7061-7067.
5Charles BA,Conley YP, Chen G, et aI.Variants of the adenosine A(2A) receptor gene are protective against proliferative diabetic retinopathy in patients with type 1 diabetes. Ophthalmic Res.2011 ;46(1 ): 1-8.
6Oloumi F, Rangayyan RM,EIIs AL.Computar-aided diagnosis of proliferative diabetic retinopathy via modeling of the major temporal arcade in'retinal fundus images.J Digit Imaging. 2013; 26(6):1124-1130.
7Welikala RA,Dehmeshki J,Hoppe A,et aI.Automated detection of proliferative diabetic retinopathy using a modified line operator and dual classification.Comput Methods Programs Biomed. 2014;114(3):247-261.