Sorry to ask what might be a stupid question. When measuring for distance between prism reference points on mounted bifocals, is this the same as getting the distance between distance OC's?
Prism reference point for bifocals
Sorry to ask what might be a stupid question. When measuring for distance between prism reference points on mounted bifocals, is this the same as getting the distance between distance OC's?
LDO, ABOC, NCLEC
Slow down everyone your moving to fast, frames can't catch you when your moving like that!
Figured it out. Thanks anyway!
LDO, ABOC, NCLEC
Slow down everyone your moving to fast, frames can't catch you when your moving like that!
It is when the prescribed (and obtained) prism is zero.Originally Posted by Eyefish
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