Professor Graham (MBBS, MS, PhD, FRANZCO) is Head of Ophthalmology and Visual Science at Macquarie University Faculty of Medicine, and a Visiting Professor at the Save Sight Institute, Sydney University. He practices as a glaucoma subspecialist, with a special interest in early diagnosis and electrophysiology. His research involves mechanisms of optic nerve damage, including vascular, molecular and genetic factors and new imaging techniques for structural analysis and dynamic retinal vascular changes. His research team is studying neurodegenerative pathways with a view to developing neuroprotective therapies for glaucoma and multiple sclerosis.