So is mine, and so are mine. The frame has nothing whatsoever to do with the quality of the lenses it contains, though, except inasmuch as it constrains their d

So is mine, and so are mine. The frame has nothing whatsoever to do with the quality of the lenses it contains, though, except inasmuch as it constrains their dimensions. And there's nothing in particular to say that you have to buy both in the same place, either.