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Rosanna Dammacco,1 Giovanni Alessio,1 Ermete Giancipoli,2 Patrizia Leone,3 Anna Cirulli,3 Leonardo Resta,4 Angelo Vacca,3 Franco Dammacco3 1Department of Ophthalmology and Neuroscience, University of Bari “Aldo Moro”, Medical School, Bari, Italy; 2Department of Biomedical Sciences, Ophthalmology Unit, University of Sassari, Sassari, Italy; 3Department of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, Medical School, Bari, Italy; 4Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, Medical School, Bari, ItalyCorrespondence: Franco DammaccoDepartment of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, Medical School, Polyclinic, Piazza Giulio Cesare, 11, Bari 70124, ItalyTel +39 080 5478 863Fax +39 080 5478 820Email francesco.dammacco@uniba.itPurpose: Giant cell arteritis (GCA), a chronic vasculitis of the large and medium-sized arteries, affects people > 50 years of age. This study assessed the prevalence of visual manifestations and other clinical features at presentation in an Italian cohort of GCA patients. Recent advances in the pathophysiology, diagnosis, and therapy of GCA are also reviewed.Methods: This retrospective, single-center study conducted by the ophthalmology and internal medicine clinics of one university recruited 56 patients from 2005 to 2016 and followed them for 11– 54 months.Results: Ocular involvement was diagnosed in 19 patients (33.9%), with permanent vision loss in 19.6% (7.1% of the cohort with bilateral vision loss). Arteritic anterior and posterior ischemic optic neuropathy were diagnosed in 11 patients (57.9%) and 1 patient (5.3%), respectively, cotton wool spots in 3 patients (15.8%), central retinal artery occlusion in 2 patients (10.5%), and anterior segment ischemia and multifocal choroidal ischemia in 1 patient each (5.3%). Polymyalgia rheumatica was associate