Nerd Immunity
A study (preprint, not yet reviewed) conducted in India looked at the association between wearing eyeglasses and getting COVID-19, and it found something. It was based on 200 patients hospitalized in KV COVID Hospital, Kanpur Dehat (a district of Northern India) during the height of the fall COVID-19 surge in India. The study looked at people who had been admitted for mild COVID-19 (blood oxygen over 96%). It excluded people with moderate and severe cases (blood oxygen under 96%), for reasons that aren't clear from the paper. The study was simple enough. It asked patients about their eyeglass-wearing behavior. It compared people who did and did not wear glasses at least 8 hours per day, and people who did and did not have COVID-19 based on a PCR test. The results showed that only 19% of the COVID-19 positive patients regularly wore eyeglasses, whereas 81% of the positive patients did not. The difference was statistically significant. Speculatin...