Can't find it right now, but there was a retweet by longevity scientist David Sinclair about a study in mice that exposure to UV-C could potentially reverse aging (and myopia) of the eyes.
I'll edit if I find the reference.
What I do is regularly go for a walk in the sun for up to half an hour without wearing glasses or contacts. If it doesn't work, I'll be getting a good dose of vitamin D in any case.
As far as I understand it, David Sinclair lost all credibility when he was invited to debate scientists in real life and refuse. The rate at which he spins up companies is also a bit alarming. This is as someone who would love for what he is preaching to turn out to be true.
I'll edit if I find the reference.
What I do is regularly go for a walk in the sun for up to half an hour without wearing glasses or contacts. If it doesn't work, I'll be getting a good dose of vitamin D in any case.