consumerwatch: Experts have expressed concern about face shields or visors, which are becoming increasingly popular as an alternative to masks, writes GeorginaCrouth. coronavirus
Sensible use of face masks for non-medical purposes will not prevent you from getting Covid-19 but it might protect those around you. And if enough people follow the advice, infections could be brought down.
The ViZAR was designed by postgraduate researcher Matthew Trusler, in collaboration with Sivarasu, as well as Dr Stephen Roche of the UCT Division of Orthopaedic Surgery, Professor Salome Maswime and Dr Tracey Adams of the UCT Division of Global Surgery, and Saberi Marais from UCT Research Contracts & Innovation.
While the team streamlined their energy around clinical use, they also produced economical designs for manufacturers, who supply retailers and other clients. Sivarasu says visors, or face shields, should never be worn instead of a mask. Sivarasu says his team’s design is around comfort, but it is not intended to be worn instead of a mask.
“People wearing medical masks often have to remove them to communicate with others around them; this is not necessary with face shields,” Dr Eli Perencevich, from the University of Iowa said. But mask-wearing, hand sanitising, physical distancing and environmental cleaning were non-negotiables: “Masks are the one thing that really makes a difference. Visors only stop big droplets from spreading; they do nothing to stop the aerosolised virus.”
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