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Re:Tencent loses $20B in value after China attacks myopia wi... by freddie_mercury on Tuesday September 04, 2018 @06:52AM (#17908067)
96% of 19-year old men in Seoul are short-sighted today.

That wasn't the case 20 years ago.

I mean...doesn't that seem....unlikely to you that genetics in Korea changed that much in 20 years?

There's a lot of pretty established research (not pop theories) about short-sightedness, which has already been referenced in this thread.

Re:Tencent loses $20B in value after China attacks myopia wi... by jononor on Wednesday September 05, 2018 @03:22AM (#17915732)
Has screening practices changed? Could be that most people were always shortsighted but not detected.