International
Wearing glasses doesn't appear to help protect people against COVID-19 according to a small clinical trial in Norway, but the authors say sliding on the sunnies might not be a bad idea anyway. The researchers asked around 3000 people (who didn't normally wear glasses) to either wear glasses, such as sunglasses, when in public for two weeks, or to continue not wearing glasses. They found that the glasses made no real difference to the number of positive COVID-19 cases. However, the authors say the study was small, and we still don't know if wearing glasses in public reduces the risk of respiratory infections more generally, so it may still be worth donning those sunnies.
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