Researchers at University College London (UCL) -UK have discovered in a new study that spectacles dramatically reduce the risk of COVID-19 infection, as part of a study comprising potential population of virus watch in England and Wales.
Coronavirus can potentially spread and cause disease through the human eye, as we have already noted.
Respiratory viruses, including SARS-CoV-2, are known to infect the eyes or to enter the nose through the nasolacrimal ducts. The importance of eye infections is uncertain, although it is possible that those who wear glasses will have fewer infections. Much of previous research has focused on protective glasses in healthcare settings.
Health officials and countries have not called for people to wear eye protection to prevent SARS-CoV-2 from spreading to other people, although spectacles can help prevent SARS-CoV-2 infection.
Study participants in England and Wales who were part of a potential virus watch community answered questions about their use of glasses and contact lenses. The frequency of use, the purpose and the possibility of wearing a mask with glasses were all considered.
This was confirmed by linking data to second-generation surveillance systems (Pillar 1 and Pillar 2), questionnaires to report positive polymerase chain reaction or side flow results, and capillary blood tests to find antibodies for a small group each month. For (nucleocapsid) and spike).
Multivariate logistic regression was used to identify the possibility of infection based on the frequency and purpose of using glasses or contact lenses. This was done by adjusting for age, gender, income and occupation.
A total of 19,166 Virus Watch participants completed the survey, with 13,681 (71.3 percent, CI 70.7-72.0) saying they use glasses.
According to the study, those who always wore glasses for general use had a 15 percent lower risk of infection (OR 0.85, 95 percent CI 0.77-0.95, p = 0.002) than those who never wore glasses.
Those who claim that interfering with the wearing of goggles has reduced their protective effect. Contact lens wearers showed no protective effect.
Studies have shown that people who wear glasses are less likely to get Covid-19 infection, which emphasizes the relevance of the eye as a route of transmission. In community and healthcare settings, eye protection can be very helpful in reducing infections.
“The results of this study show,” according to the authors of the study, “those who do not always wear glasses have a moderate reduction in the risk of SARS-CoV-2 infection.”
They added: “Unlike other studies, our results represent a community setting, adjust for potential misleaders and provide a counterfactual analysis with contact lenses. It expands existing evidence into community settings and reduces the risk of SARS-CoV-2 transmission.” Verifies the proposed biological mechanisms of eye protection. “
Source: medRxiv – 10.1101 / 2022.03.29.22272997
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