Güliz Fatma YAVAŞ, Sibel İNAN, Onur POLAT, Ümit Übeyt İNAN

Neutrophil-to-Lymphocyte Ratio as a Marker in Patients with Non-arteritic Anterior Ischemic Optic Neuropathy

Background: Non-arteritic anterior ischemic optic neuropathy (NAION) is the most common acute optic neuropathy in patients over the age of 50 and is the second most common cause of permanent optic nerve-related visual loss in adults after glaucoma. Although the precise cause of NAION remains elusive, the etiol-ogy of NAION is believed to be multifactorial.Aims: To evaluate the utility of neutrophil-to-lym-phocyte ratio (NLR) as a simple and readily available prognostic factor for clinical disease activity in patients with NAION.Study Design: Case-control study.Methods: Forty-five patients with the diagnosis of NAION and 50 age- and sex-matched controls with/without any systemic or ocular diseases except cataract were retrospectively enrolled in the study. Demograph-ic characteristics and laboratory findings including complete blood count of all patients and control sub-jects were obtained from the electronic medical record. The neutrophil and lymphocyte counts were recorded and the NLR was calculated. Results: White blood cell, neutrophil, NLR and platelet values of the NAION patients were significantly higher than those of the controls (p

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