Hello everyone :), I am in prep for my boards, and have a few questions for my optician friends. My first question is, If measuring the distance between prism reference points in a pair of bifocals, is this point the distance between pd's?
Hello everyone :), I am in prep for my boards, and have a few questions for my optician friends. My first question is, If measuring the distance between prism reference points in a pair of bifocals, is this point the distance between pd's?
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