Singapore National Eye Centre, Duke-NUS Medical School, National University of Singapore, Singapore. Department of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. MacKay Memorial Hospital, Taipei, Taiwan. Department of Ophthalmology, Taipei Veterans General Hospital, School of Medicine, National Yang Ming University, Taipei, Taiwan. Sunway Medical Centre, Eye Centre, Petaling Jaya, Malaysia. Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Kowloon, Hong Kong. Department of Ophthalmology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea. Klinik Mata Nusantara, Jakarta, Indonesia. Department of Ophthalmology and Visual Sciences, University of the Philippines, Philippine General Hospital, Manila, Philippines. Singapore National Eye Centre, Singapore.