MBBS; MMED; FAMS; FRCSE; FRANZCO; FAFPHM; MPH; PhD. Retinal specialist. Former: Professor and Chair of Ophthalmology, University of Melbourne, Australia. Currently: Professor and Head, Department of Ophthalmology, National University of Singapore; Chief and Senior Consultant Ophthalmologist, National University Hospital; Director, Singapore Eye Research Institute, Singapore National Eye Centre. Research focuses on epidemiology, risk factors and impact of diabetic retinopathy and age-related macular degeneration. Executive Editor, American Journal of Ophthalmology. Member of the Editorial Board: Investigative Ophthalmology and Visual Sciences, Ophthalmic Epidemiology, Diabetes Care and Ophthalmologica. Author of more than 500 papers. Recipient of numerous awards.