Nope that is why they make multi-focals (3 prescriptions in 1 pair of glasses) or why you have different pairs for different purposes.
A magnifying glass is after all just another lense; albeit far less practical as it ties up the use of one of your hands.
And of course if you are getting surgery on any cataracts they can also replace your lenses, but you still may need glasses for smaller fonts.
No such thing as legal size font, companies are permitted to use size 2 font on packaging, is it annoying sure, but if you need a magnifying glass to read it you need reading glasses.