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Re:How much health insurers pay for almost everything is abo... by pastor_williams on Friday July 01, 2022 @04:44PM (#31952598)
This doesn't work as an explanation, lenses are always cut to the frame.

My brother in law owned a lens cutting shop and they have boxes filled with lenses ground to all sorts of prescriptions that are circular plugs 3 or 4 inches in diameter. When the order comes in they use the pupil measurements and the frames to cut the lenses for the prescription down to fit into the frame.

I don't know how well I explained that but you can watch this video to see exactly how it works: https://www.youtube.com/watch?v=uCjGNUPO0WU

Re:How much health insurers pay for almost everything is abo... by sib on Friday July 01, 2022 @04:51PM (#31952703)
Thanks for this explanation - makes complete sense but never thought about it!