Wearing eyeglasses may lower the risk of Covid-19: JAMA Stud
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China has found that people who wear eyeglasses may be at a lower risk of contracting Covid-19 as the virus may enter the body via eyes, according to a small yet significant study published in JAMA Ophthalmology.

• Study involving 276 patients hospitalised with Covid-19 in Suizhou, China, found that the proportion of daily wearers of eyeglasses was lower than that of the local population (5.8 per cent vs 31.5 per cent).

• People who wore glasses for more than 8 hours a day were defined as long-term wearers.

• All those who wore glasses for more than 8 hours a day had myopia and included 16 of 276 patients (5.8%; 95% CI, 3.04%-8.55%).

• Proportion of people with myopia in Hubei province, based on a previous study, was 31.5%, which was much higher than the proportion of patients with COVID-19 who had myopia in this sample.

• In this cohort study, the proportion of inpatients with COVID-19 who wore glasses for extended daily periods (>8 h/d) was smaller than that in the general population, suggesting that daily wearers of eyeglasses may be less susceptible to COVID-19.

Source: https://jamanetwork.com/journals/jamaophthalmology/fullarticle/2770872
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