I was at my friends shop today and played with his Kappa edger.
What I noticed is the blocker measures the height of bifocal segment directly from the center of bifocal line to the eyewear rim dirrectly bellow it.
I think when I went to school we used to measure the bifocal height to the lowest point of the eyewire!? My friend told me that he always measure bifocal height directly under pupil to the eyewire. And this is how his machine cuts!
I am surprised?
Please help!
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