UV radiation from sunlight is terrible for your vision.

One of the most strongly supported hypothesis for why everyone is suddenly near-sighted is a lack of natural light.

Holy shit. I was literally just having a conversation with my spouse yesterday about why so many children wear glasses. I was convinced it was a 'back in my day' syndrome popping up again.

Do you have any citations? Because it genuinely seems like more kids wear glasses than they used to.

Lots of data out there. Myopia is pretty rare in hunter-gatherer populations, but rates ncrease rapidly as the same population modernizes. Example: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1956268/?page=1