Since the Nature.com link just basically says "myopia exercises don't work"...

NPR just had a piece talking about a 2-yr study in Sydney that found that spending time outdoors reduces myopia in children and a 15-year-old program in Taiwan to ensure primary school children are sent outdoors more, which has reduced their % of myopia.

Theory is that we change our focus distance regularly when we're outside. ("hey look, a bird!" "i think i'll stare blankly at that tree while I ponder that document" etc)

https://www.npr.org/sections/health-shots/2024/05/13/1250555...

Notably -- I guess -- the study was about children. Maybe adults are screwed. It certainly is easier to get kids outside more if the govt is backing the changes.