Off the top of my head, from reading about this a few months ago, I think it's mostly a critical period as a child to young adult where this has the most effect.
Some opthalmologists invented glasses for children that reduce the worsening of myopia:
Again, off the top of my head, the eye is stimulated to grow longer by dopamine, and the dopamine release is influenced by the focus difference between what's at the center of the eye versus what's at the edge. Somehow, those glasses reduce that effect, so the eye doesn't continue to lengthen past farsightedness and into nearsightedness.
Here's a study summary on giving student pilots reading glasses to prevent myopia from reading all the training material:
https://pubmed.ncbi.nlm.nih.gov/31080964/
Off the top of my head, from reading about this a few months ago, I think it's mostly a critical period as a child to young adult where this has the most effect.
Some opthalmologists invented glasses for children that reduce the worsening of myopia:
https://newsroom.uw.edu/news-releases/glasses-stop-myopia-ar...
Again, off the top of my head, the eye is stimulated to grow longer by dopamine, and the dopamine release is influenced by the focus difference between what's at the center of the eye versus what's at the edge. Somehow, those glasses reduce that effect, so the eye doesn't continue to lengthen past farsightedness and into nearsightedness.