There's a massive difference but not with crap like OP aka sunglass hut luxottica trash post-acquisition
Plenty of good hand-made stuff to be had, not all has to be bank-breaking either
As for lenses if you can go with Zeiss or something similar, the difference in the glass is remarkable.
Check spectac....well never mind not gonna reveal secrets /jet
PS would be nice if could stop quoting Moo, dude ate so many burgers he got mad cow diseases now