Department of Ophthalmology;
University of DebrecenClinical Center;
Debrecen 4032;
Hungary;
Department of Ophthalmology;
Hungarian Military Hospital 1134;
Hungary;
Department of Ophthalmology;
Kenezy Hospital;
Debrecen4031;
Hungary;
non-arteritic anterior ischemic optic neuropathy; optical coherence tomography; PERIMETRY; retinal nerve fiber layer;