Kinda like regular exercise... ;)
Exactly like regular exercise. :)
We're presuming here actual corneal deformation which muscles can modify (that's why some squint to see better), and not any of other potential vision-related issues.
We're presuming here actual corneal deformation which muscles can modify (that's why some squint to see better), and not any of other potential vision-related issues.
Improvements were remarkable. But none were permanent.