1 Department of Ophthalmology, Westmead Hospital, Westmead, New South Wales, Australia.
2 Westmead and Central Clinical Schools, Specialty of Clinical Ophthalmology and Eye Health, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.
3 Department of Ophthalmology, Faculty of Medicine, Health and Human Sciences, Macquarie University, New South Wales, Australia.
4 Save Sight Institute, The University of Sydney, Sydney, New South Wales, Australia.
5 Prince of Wales Hospital, Sydney, New South Wales, Australia.
6 Visionary Eye Specialists, Sydney, New South Wales, Australia.
7 Sydney Eye Hospital, Sydney, New South Wales, Australia.
8 University of New South Wales, Sydney, New South Wales, Australia.