Wearing glasses strongly correlates with how much time you spent outside as a kid. Less time outside = more likely to wear glasses

Don't think that's true.

https://opto.ca/eye-health-library/reading-myths-debunked https://www.mayoclinichealthsystem.org/hometown-health/speaking-of-health/eye-health-myths-and-facts https://news.uthscsa.edu/myth-or-fact-can-sitting-too-close-to-the-tv-hurt-your-eyes-will-wearing-glasses-weaken-your-eyes-test-your-knowledge/

I guess maybe "a few" could be true but that's probably true of anything, like ants damaging vision, and so glasses are a sign of having ants

I did say "historically"

The thing about stereotypes is they tend to persist for a long time, even after they are no longer true (if they even ever were)

eyeglasses are free

I fucking wish! My glasses are the sixth most expensive thing I own after my bike, my computer, my bed, my phone, and my TV!

Actually might have been more expensive than the TV, not sure.