The distant vision of a frog is better than its near vision.
The over-forties should be aware that they will probably need reading glasses eventually as it doesn't prevent you developing presbyopia (difficulty with near vision).
It cannot accommodate less than the "no-accommodation-at-all" that suffices for near vision.
But your doctor can correct one eye for distance vision and the other eye for near vision.
For example, you may have surgery to correct distance vision and then use reading glasses for near vision.
Or for those who prefer a correction of near vision for reading, an artificial lens can do that instead.
Even more ciliary muscle contraction will be required for near vision and this may be uncomfortable.
Home tests for near vision in adults and distance vision in children are available.
But two years later, after her near vision worsened, she tried again.
This time she easily adapted, but her tennis game suffered: as the ball came closer, her near vision kicked in and everything blurred.