Dr. Robert Ang specializes in cornea and external eye diseases, refractive surgery, glaucoma, and cataract surgery at the Asian Eye Institute, Makati City, Philippines. Dr. Ang is a medical graduate of the University of the Philippines and completed his residency in ophthalmology at the Philippine General Hospital, where he also served as Assistant Chief Resident

Dr Joseph Anthony Tumbocon is the head of the glaucoma service and assistant head for undergraduate education at St. Luke’s Medical Center and a professor of ophthalmology at St. Luke’s College of Medicine in the Philippines. He is a board member of the Asia-Pacific Glaucoma Society, trustee of the Philippine Board of Ophthalmology, and