Labs have always, “Made as ordered”. You order a 60 pd with 10D of prism, you will (should) get 10D at 60mm. Even in the old days, we never differed...
So if I'm putting these (and other dotted up prism blanks and assuming I am blocking them) on a project-o-mark I'm decentering an extra 5 or 6mm in,...
Well, I'm ophthalmology and while yes, we mainly just deal with our own patients, I do get outside RXs and fill them. I am not sure why they come to...
You offset the pd's/seg so the end product is correct. If you do not adjust them your seg and pd's will not be what you ordered (due to prism moving...