Earlier quoted context omitted.
Yes. Trying to fix myopia by getting children exposed to more sunlight is a bit of a "let them eat single-source organic asparagus" response: it makes would-be social reformers feel good, but it's not a realistic way to reliably give all children the (apparently) minimum three daily hours of 10,000 lux. Getting all children outside for three hours every day is not realistically possible, and wouldn't be pleasant or e…
>Getting all children outside for three hours every day is not realistically possible, and wouldn't be pleasant or even desirable for all of them: bad weather, unsafe neighbourhoods, air pollution. i don't understand that. Where do children are supposed to get daily multi-hour physical activity? On the treadmill in the basement? And if children aren't getting such amount of physical activity - that would border on ne…
Re: The Puzzling Rise in Nearsighted Children
#21It's not a matter of whether it's generally desirable for all children to spend three hours outside every day. One problem is whether admonishing parents about it is actually going to make it so for all children. Another problem is whether it's actually possible and safe for all children no matter how desirable it might be in general. A third problem is how the strong the sun actually is while they are outside playing. For five days out of seven in the winter millions of children in northern Europe travel to school around sunrise, get maybe an hour outside during the day, then come home and play football under grey evening skies and sodium lights.