3 ms·

https://www.npr.org/sections/goatsandsoda/2015/02/05/383765377/why-is-nearsightedness-skyrocketing-among-chinese-youth https://www.npr.org/sections/goatsandsoda

https://www.npr.org/sections/goatsandsoda/2015/02/05/383765377/why-is-nearsightedness-skyrocketing-among-chinese-youth https://www.npr.org/sections/goatsandsoda/2015/02/05/3837653... There was a study that followed Chinese kids who stayed in China vs Chinese kids who moved to Australia. There was a marked difference. Not sure if its about sunlight or near/far focus though.

Apocryphon 8y ago
They can test this if they tried getting students to try studying outside under natural lighting for a while. Though in China that may be impractical depending on the city.
- lern_too_spel 8y ago
  They tested having students study in a sunlit classroom. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5536284/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5536284/
jacobolus 8y ago
> Not sure if its about sunlight or near/far focus though. I have seen some suggestion that it is a combination of both. Either is plausible though.