Hello Optiboarders.
I kindly ask if someone knows what is the ISO number document, in which is fixed the correct tolerance between initial prescription values (..as RPD,LPD AXis decent. and so on..) and the real measurements made on finished frame.
(something like A.N.S.I. Z80.1 doc but released from I.S.O.)
THanks in advance
MAuro
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