1. Department of Ophthalmology, College of Medicine, Erzincan University Hospital, Erzincan, Turkey;
2. Department of Pathology, College of Medicine, Erzincan University Hospital, Erzincan, Turkey;
3. Department of Pharmacology, College of Medicine, Erzincan University Hospital, Erzincan, Turkey;
4. Department of Biochemistry, College of Medicine, Atatürk University Hospital, Erzurum, Turkey