An observational study conducted in China shows that people who wear glasses are shielded to some extent against COVID-19. It should be noted that the study has some limitations because it was an observation group, which was conducted on a small group. The study has been published in JAMA Ophthalmology. To conduct the research, the authors of the study of Suizho Zengdu Hospital in Suizhou, China, observed 276 participants in Hubei and looked for links between wearing glasses and some protection against COVID-19.
Participants were asked how many of them wore glasses, how long they wore it and why. The authors found that 30 participants (11 percent) wore glasses but only 16 (5.8 percent) of them wore glasses for more than eight hours a day because they had myopia. The researchers compared these findings to an earlier study which found that 31.5 percent of people in Hubei district had myopia and all of them wore glasses.
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