2 ms·
My understanding is that the benefit of being outdoors is the ability and opportunity to regularly focus on things at a distance that helps, so sunglasses would
by happyopossum 2y ago
My understanding is that the benefit of being outdoors is the ability and opportunity to regularly focus on things at a distance that helps, so sunglasses wouldn't factor in.
- hinkley 2y agoIsn’t that eye exercises?
- JumpCrisscross 2y agoIt’s also exposure to natural light. Myopia jumps when kids are exposed to artificial lighting [1]. It seems some constant is hard coded into our genes to calibrate our eyes to the Sun’s light. (Artificial natural light, despite sounding like an oxymoron, can help.) [1] https://pubmed.ncbi.nlm.nih.gov/38766340/ https://pubmed.ncbi.nlm.nih.gov/38766340/
- robwwilliams 2y agoYes, this is the main factor. Luminance and spectrum however are reasonable secondary factors and highlighted in the reference above.
- rrrrrrrrrrrryan 2y agoThat was the leading theory for many years that explained why adult humans today have much worse vision that humans of the not-so-distant past, but it was disproven in the last decade. We don't yet understand why, but lack of exposure to sunlight is what causes still-developing eyes to grow incorrectly.