Ophthalmology 2020 07 24;127(7):977-979. Epub 2020 Mar 24.
Duke-NUS Medical School, Singapore, Republic of Singapore; Tan Tock Seng Hospital, Singapore, Republic of Singapore; Lee Kong Chian School of Medicine, Singapore, Republic of Singapore; Yong Loo Lin School of Medicine, Singapore, Republic of Singapore; Moorfields Eye Hospital, NHS Foundation Trust, London, United Kingdom. Electronic address: