Roger Wong1. 1. *Vitreoretinal Service, Guy's and St. Thomas' Hospital NHS Foundation Trust, Department of Ophthalmology, St. Thomas' Hospital, London, United Kingdom; †Department of Ophthalmology, Frimley Park Hospital, Frimley Park Hospital NHS Foundation Trust, Frimley, Surrey, United Kingdom; and ‡Department of Ophthalmology, Ashford and St Peter's Hospitals NHS Foundation Trust, Ashford, Middlesex, United Kingdom.