I haven't gone through the archives completely (yet) so may be treading on a topic already covered. Wikipedia has a good article entitled "corrective lens". It seems polycarbonate is the most shatter- resistant of the available lens materials, with a number of other plastic types also very good. But how do we determine the material that is being used by online sellers?
The question is relevant to me because I have very limited vision in one eye and thus a special need to protect the other. But we all need to protect both eyes, thus the advice given me my an optometrist that I should have shatter-resistant lenses, specifically NOT glass, applies to us all. So I ask you denizens of online eyeglasses: Have you figured out what materials online sellers are using for eyeglass lenses? Many thanks.
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