Dr. Indra Tri Mahayana, Ph.D., Sp.M, is an ophthalmologist specializing in Neuro-Ophthalmology based in Yogyakarta. He is a faculty member of the Department of Ophthalmology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, and is affiliated with Dr. Sardjito General Hospital and Dr. Yap Eye Hospital, Yogyakarta.