There are many ways to get perfect vision fast.
2. Contact lenses
And you could also try the Bates method.
Do not ask for the ability to rapidly manifest bodily changes, unless you have the corresponding wisdom and mental discipline to go with that ability.
Eg if every now and then you tend to think ill-disciplined thoughts like "I hate my nose" or "I seem to be growing fatter", well, then the ability to rapidly manifest is really not a good idea.