1. PM address to the nation on coronavirus;UK Government,2020
2. NHS England, Updates and guidance for optical settings; Optical letter: 1 April 2020, viewed 2nd April 2020 https://www.england.nhs.uk/coronavirus/wp-content/uploads/sites/52/2020/04/C0127-optical-letter-1-april-2020.pdf.
3. General Optical Council, Joint regulatory statement on remote consultations and prescribing: viewed 10th April 2020 https://www.optical.org/filemanager/root/site_assets/publications/covid_19/High-level-principles-for-remote-prescribing_.pdf.
4. College of Optometrists, COVID-19: College updates, viewed 10th April 2020, https://www.college-optometrists.org/the-college/media-hub/news-listing/coronavirus-2019-advice-for-optometrists.html.
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