I’m blind as a bat and have been using progressives for several years now (50...)
I chuckle on the recommendations to shoot with your glasses off, for me that is not an option...
I also have a pair of single prescription glasses for distance.
Honestly I’m fine with either pair.
Use the upper half of the lens (which is my natural hold anyway on most guns, long or short), adjust the ocular and have at it.
If it has adjustable parallax then tune it in.
If it’s still fuzzy clean your lenses (glasses and scope).
It might also be incorrectly placed lens in the glasses, take them in to get checked.
If it’s still fuzzy your scope might be pooched; try another one.
If it’s still fuzzy you might have an eye issue and should see a optometrist (you could have cataracts or other eye issue).
My 2 cents, YMMV.