3 ms·
> studies already proved its mostly caused by reading/studing long hours in poor light. Huh, I thought the current prevailing theory was that it was caused by
by captainmuon 8y ago
> studies already proved its mostly caused by reading/studing long hours in poor light.
Huh, I thought the current prevailing theory was that it was caused by lack of bright daylight, not by too much reading or to many hours in dim light. So a certain number of hours outside a day should have a protective effect.
- lern_too_spel 8y agoCorrect. https://www.nature.com/news/the-myopia-boom-1.17120 https://www.nature.com/news/the-myopia-boom-1.17120
- seanmcdirmid 8y agoAssuming the air is clean enough, otherwise those hours outside could cause other health problems.
- dTal 8y agoI would have thought it was obvious that it's not the lack of bright daylight, but the lack of far away objects to focus on indoors. And this would clearly be exacerbated by constantly focusing on objects 12 inches away, like screens and books.
- graeme 8y agoYou'd think so, but that's not what research suggests. https://www.nature.com/news/the-myopia-boom-1.17120 https://www.nature.com/news/the-myopia-boom-1.17120
- arayh 8y agoI think it's both. Taken from the article you linked to: "greater viewing distances outside could affect myopia progression, too"