MBBS, MEpi, PhD, FRANZCO, FAMS, Head of Ophthalmology, Department of Ophthalmology, The Royal Melbourne Hospital, Melbourne, Vic; Senior Research Fellow, Centre for Eye Research Australia, Melbourne, Vic; Deputy Head of the Corneal Unit and Consultant Ophthalmologist in Medical Retina, Department of Ophthalmology, The Royal Victorian Eye and Ear Hospital, Melbourne, Vic