It is usually taken for granted that any physical imperfections will not be inherited by our glorified bodies. After all, Our Lord healed a man who was blind from birth. It is not a stretch to imagine that nobody in heaven will be blind.
But what about mental acuity? On earth, there are some really smart people, and some people on the opposite end of the spectrum. And most of us are somewhere in the middle.
Suppose, in heaven, God offered to teach a class in quantum gravity (something that NOBODY on earth has ever comprehended). I sign up for the class, and notice that Einstein, Bohr, and Feynman have also signed up. If I attend the class, will I somehow have the ability to comprehend the content as well as those guys?