2/n The study is here. Altmetric of >2,000, hundreds of news articles about it alreadyhttps://jamanetwork.com/journals/jamaophthalmology/fullarticle/2770872 …
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13/n These two groups are so wildly different that it's entirely impossible to say whether the glasses had the slightest impact on anything at all, it's just very strange speculation
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14/n Maybe glasses DO prevent COVID-19 transmission, but based on this research we have absolutely no idea if that's true
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15/n The ABSOLUTE BEST you can say from this research is that it appears that fewer patients diagnosed with COVID-19 from a single hospital in Hubei had myopia than some high-school students in '87 It's not even about glasses!
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I'm reminded of a "stdy" conducted by a pair of economists about 15 years that "concluded" that increased TV watching was associated with increased autism. It had a similar design ("case/control" with an ecological "control") and a ludicrous proxy measure for the 1/2
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predictor variable: to estimate the amount of time kids watched TV, they used average community rainfall. 2/2
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