София Загора, Денис Уйэкфилд, Питер МакКласкиSophia Zagora, Peter McCluskey, Sydney Eye Hospital, Sydney, NSW, Australia, Save Sight Institute, Discipline of Ophthalmology, Sydney Medical School, University of Sydney, Sydney, NSW, Australia, e-mail: peter.mccluskey@sydney.edu.au. Denis Wakefield, School of Medical Sciences, University of NSW, Sydney, NSW, Australia, e-mail: d.wakefield@unsw.edu.au.