The New York Times – After researchers noticed fewer nearsighted patients in a hospital ward in China, they speculated that wearing glasses might offer some protection against Covid-19. “…It may be that eyeglasses act as a partial barrier, protecting eyes from the splatter of a cough or sneeze. Another explanation for the finding could be that people who wear glasses are less likely to rub their eyes with contaminated hands. A 2015 report on face touching found that over the course of an hour, students watching a lecture touched their eyes, nose or mouth, on average, about 10 times, though the researchers did not look into whether wearing glasses made a difference. The current study, published in JAMA Ophthalmology, was accompanied by a commentary from Dr. Lisa Maragakis, an infectious disease specialist and associate professor of medicine at Johns Hopkins School of Medicine, who urged caution in interpreting the results…But Dr. Steinemann noted that the study shouldn’t cause worry among people who don’t wear glasses. “It probably can’t hurt to wear glasses, but does everybody need to do that? Probably not,” he said. “I think you have to consider the practicality of wearing eye protection or a face shield. People in certain occupations, first responders, caregivers for someone who is ill, those are people who should maybe take special notice.”…