1. From the Department of Geriatric Medicine, Queen’s University of Belfast, Belfast, Northern Ireland, United Kingdom; the2Department of Ophthalmology, Institute of Clinical Science, Queen’s University of Belfast, Belfast, Northern Ireland, United Kingdom;
2. Department of Ophthalmology, Eye and Ear Clinic, Royal Victoria Hospital, Belfast, Northern Ireland, United Kingdom.
3. Department of Ophthalmology, Institute of Clinical Science, Queen’s University of Belfast, Belfast, Northern Ireland, United Kingdom; and the3Department of Ophthalmology, Eye and Ear Clinic, Royal Victoria Hospital, Belfast, Northern Ireland, United Kingd