Firewalker: The list of materials is useful, but figuring out where I
can *buy* any of these wonderful plastics is another matter
entirely :) Discount online glasses retailers seem to be, well,
discount retailers, and don't even seem to specify their lens
materials well enough to pin down which of the entries on that list
they might be, much less giving the Abbe numbers or real technical
information.

Liz: Thank you, I will *definitely* keep your experiences in mind
while shopping!

Paul: Hm, surely all polycarbonate lenses ought to perform
identically... unless they've changed the formulation of the material.
Which wouldn't surprise me in the least, actually. Thanks for giving
me some hope that one day I might be free of these cursed red and blue
outlines everywhere!

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