Optic Nerve Head Melanocytoma with Severe Visual Loss, Peripapillary Exudation, and Intraretinal Fluid: A Clinicopathological Case ReportMojtaba Abrishami1 ; Alireza Khooei2; Naser Shoeibi1 ; Mohammad-Reza Ansari-Astaneh1; Kian Ghasemi1 ;; Farid Shekarchian1Eye Research Center, Mashhad University of Medical Sciences, Mashhad, IranDepartment of Pathology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, IranCorresponding Author: Farid Shekarchian MDEye Research Center, Khatam-al-Anbia Eye Hospital, Qarani Blvd, Mashhad 9195965919, IranTel: +98-51-37245363E-mail: farid.5004@yahoo.comRunning head: ONH Melanocytoma with Severe Vision LossSetting: Khatam al-Anbia Eye Hospital, Eye Research Center, Mashhad University of Medical Sciences, Mashhad, IranKeywords : Optic Nerve Head ; Melanocytoma ; Retina; Tumor