Article Text

Download PDFPDF
Novel Coronavirus disease 2019 (COVID-19): The importance of recognising possible early ocular manifestation and using protective eyewear
  1. Ji-Peng Olivia Li1,
  2. Dennis Shun Chiu Lam2,3,
  3. Youxin Chen4,
  4. Daniel Shu Wei Ting1,5,6
  1. 1 Moorfields Eye Hospital, London, UK
  2. 2 C-MER Dennis Lam Eye Center, C-Mer International Eye Care Group Limited, Hong Kong, Hong Kong
  3. 3 International Eye Research Institute of the Chinese University of Hong Kong (Shenzhen), Shenzhen, China
  4. 4 Department of Ophthalmology, Peking Union Medical College Hospital, Beijing, China
  5. 5 Singapore National Eye Center, Singapore
  6. 6 State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Guangzhou, China
  1. Correspondence to Dr Daniel Shu Wei Ting, Vitreo-retinal Department, Singapore National Eye Center, Singapore 168751, Singapore; daniel.ting.s.w{at}

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.

On 31 December 2019, China notified WHO of a pneumonia outbreak of then unknown aetiology in Wuhan,1 a city of 11 million people in Hubei province. The seafood market which was thought to be the source was closed on 1 January 2020.2 The causative organism was identified on 7 January 2020 as a novel coronavirus (nCOV). The genetic sequence of at least 19 strains found in infected patients has been published so far.3 4 To date, COVID-19 has already confirmed to have affected almost >68,000 with >1600 deaths in China, and over 680 cases outside of China spanning 25 countries over South East Asia, Europe, North America, Australia and the Middle East, etc. This number is expected to rise over the next few months worldwide. So far, 41 million from China and at least 14 cities in the Hubei province have travel restrictions, some with suspension of outbound flights and trains as well as other public transport, and many countries are taking measures to quarantine travellers from China.

Comparisons are being made with severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS), also both caused by coronaviruses. SARS emerged in 2003 and caused the first pandemic of the 21st century, affecting more than 8000 people, …

View Full Text


  • Contributors J-POL: conceptualisation (supporting), data curation (lead), formal analysis (lead), writing-original draft (lead), writing-review and editing (equal). DST: conceptualisation (lead), supervision (lead), writing-original draft (supporting), writing-review and editing (equal).

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.