The effect of eye protection on SARS-CoV-2 transmission: a systematic review

Abstract Background The effect of eye protection to prevent SARS-CoV-2 infection in the real-world remains uncertain. We aimed to synthesize all available research on the potential impact of eye protection on transmission of SARS-CoV-2. Methods We searched PROSPERO, PubMed, Embase, The Cochrane Libr...

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Autores principales:	Oyungerel Byambasuren, Elaine Beller, Justin Clark, Peter Collignon, Paul Glasziou
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	COVID-19 SARS-CoV-2 Eye protection Face shield Infection prevention Infectious and parasitic diseases RC109-216
Acceso en línea:	https://doaj.org/article/65eeeb870052425dbce04694c4670bf3
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spelling	oai:doaj.org-article:65eeeb870052425dbce04694c4670bf32021-11-08T11:14:23ZThe effect of eye protection on SARS-CoV-2 transmission: a systematic review10.1186/s13756-021-01025-32047-2994https://doaj.org/article/65eeeb870052425dbce04694c4670bf32021-11-01T00:00:00Zhttps://doi.org/10.1186/s13756-021-01025-3https://doaj.org/toc/2047-2994Abstract Background The effect of eye protection to prevent SARS-CoV-2 infection in the real-world remains uncertain. We aimed to synthesize all available research on the potential impact of eye protection on transmission of SARS-CoV-2. Methods We searched PROSPERO, PubMed, Embase, The Cochrane Library for clinical trials and comparative observational studies in CENTRAL, and Europe PMC for pre-prints. We included studies that reported sufficient data to estimate the effect of any form of eye protection including face shields and variants, goggles, and glasses, on subsequent confirmed infection with SARS-CoV-2. Results We screened 898 articles and included 6 reports of 5 observational studies from 4 countries (USA, India, Columbia, and United Kingdom) that tested face shields, goggles, and wraparound eyewear on 7567 healthcare workers. The three before-and-after and one retrospective cohort studies showed statistically significant and substantial reductions in SARS-CoV-2 infections favouring eye protection with odds ratios ranging from 0.04 to 0.6, corresponding to relative risk reductions of 96% to 40%. These reductions were not explained by changes in the community rates. However, the one case–control study reported odds ratio favouring no eye protection (OR 1.7, 95% CI 0.99, 3.0). The high heterogeneity between studies precluded any meaningful meta-analysis. None of the studies adjusted for potential confounders such as other protective behaviours, thus increasing the risk of bias, and decreasing the certainty of evidence to very low. Conclusions Current studies suggest that eye protection may play a role in prevention of SARS-CoV-2 infection in healthcare workers. However, robust comparative trials are needed to clearly determine effectiveness of eye protections and wearability issues in both healthcare and general populations.Oyungerel ByambasurenElaine BellerJustin ClarkPeter CollignonPaul GlasziouBMCarticleCOVID-19SARS-CoV-2Eye protectionFace shieldInfection preventionInfectious and parasitic diseasesRC109-216ENAntimicrobial Resistance and Infection Control, Vol 10, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	COVID-19 SARS-CoV-2 Eye protection Face shield Infection prevention Infectious and parasitic diseases RC109-216
spellingShingle	COVID-19 SARS-CoV-2 Eye protection Face shield Infection prevention Infectious and parasitic diseases RC109-216 Oyungerel Byambasuren Elaine Beller Justin Clark Peter Collignon Paul Glasziou The effect of eye protection on SARS-CoV-2 transmission: a systematic review
description	Abstract Background The effect of eye protection to prevent SARS-CoV-2 infection in the real-world remains uncertain. We aimed to synthesize all available research on the potential impact of eye protection on transmission of SARS-CoV-2. Methods We searched PROSPERO, PubMed, Embase, The Cochrane Library for clinical trials and comparative observational studies in CENTRAL, and Europe PMC for pre-prints. We included studies that reported sufficient data to estimate the effect of any form of eye protection including face shields and variants, goggles, and glasses, on subsequent confirmed infection with SARS-CoV-2. Results We screened 898 articles and included 6 reports of 5 observational studies from 4 countries (USA, India, Columbia, and United Kingdom) that tested face shields, goggles, and wraparound eyewear on 7567 healthcare workers. The three before-and-after and one retrospective cohort studies showed statistically significant and substantial reductions in SARS-CoV-2 infections favouring eye protection with odds ratios ranging from 0.04 to 0.6, corresponding to relative risk reductions of 96% to 40%. These reductions were not explained by changes in the community rates. However, the one case–control study reported odds ratio favouring no eye protection (OR 1.7, 95% CI 0.99, 3.0). The high heterogeneity between studies precluded any meaningful meta-analysis. None of the studies adjusted for potential confounders such as other protective behaviours, thus increasing the risk of bias, and decreasing the certainty of evidence to very low. Conclusions Current studies suggest that eye protection may play a role in prevention of SARS-CoV-2 infection in healthcare workers. However, robust comparative trials are needed to clearly determine effectiveness of eye protections and wearability issues in both healthcare and general populations.
format	article
author	Oyungerel Byambasuren Elaine Beller Justin Clark Peter Collignon Paul Glasziou
author_facet	Oyungerel Byambasuren Elaine Beller Justin Clark Peter Collignon Paul Glasziou
author_sort	Oyungerel Byambasuren
title	The effect of eye protection on SARS-CoV-2 transmission: a systematic review
title_short	The effect of eye protection on SARS-CoV-2 transmission: a systematic review
title_full	The effect of eye protection on SARS-CoV-2 transmission: a systematic review
title_fullStr	The effect of eye protection on SARS-CoV-2 transmission: a systematic review
title_full_unstemmed	The effect of eye protection on SARS-CoV-2 transmission: a systematic review
title_sort	effect of eye protection on sars-cov-2 transmission: a systematic review
publisher	BMC
publishDate	2021
url	https://doaj.org/article/65eeeb870052425dbce04694c4670bf3
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The effect of eye protection on SARS-CoV-2 transmission: a systematic review

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