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    Compulsive Truthteller OptiBoard Gold Supporter Uncle Fester's Avatar
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    Why higher adds produce more "swim"...

    From 2005- A Dr. Sheedy article on PAL's and Minkowitz's Theorem I find interesting and not found with a search of the OB.

    Correct me if I'm wrong- but isn't this broadly speaking why Position of Wear compensated lenses are more often a better lens?

    Can a guru chime in with a clarification of the last sentence from the website article? Is further reducing, not just redistributing, unwanted astigmatism the final frontier of progressives? Or just theory?


    https://www.ncbi.nlm.nih.gov/pubmed/16276325
    Last edited by Uncle Fester; 06-14-2017 at 10:42 AM. Reason: clarify...

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