1. Department of Ophthalmology, Palandoken State Hospital, Erzurum, Turkey;
2. Department of Pharmacology, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey;
3. Department of Pharmacology, Faculty of Medicine, Ataturk University, Erzurum, Turkey;
4. Department of Biology, Faculty of Science and Art, Erzincan Binali Yildirim University, Erzincan, Turkey;
5. Department of Pathology, Faculty of Medicine, Erzincan Binali Yildirim University, Erzincan, Turkey