Estimating the global cost of vision impairment and its major causes: protocol for a systematic review
Ana Patricia Marques, Jacqueline Ramke, John Cairns, Thomas Butt, Justine H Zhang, Hannah B Faal, Hugh Taylor, Iain Jones, Nathan Congdon, Andrew Bastawrous, Tasanee Braithwaite, Marty Jovic, Serge Resnikoff, Allyala Nandakumar, Peng Tee Khaw, Rupert R A Bourne, Iris Gordon, Kevin Frick, Matthew J Burton
BMJ Open Sep 2020, 10 (9) e036689; DOI: 10.1136/bmjopen-2019-036689