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Thread: list max seg hts

  1. #1
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    list max seg hts

    Hello all. Does anyone know where i can find a listing for suggested MAXIMUM seg heights for PALs?

  2. #2
    One eye sees, the other feels OptiBoard Silver Supporter
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    Quote Originally Posted by gvincent8 View Post
    Hello all. Does anyone know where i can find a listing for suggested MAXIMUM seg heights for PALs?
    There are no maxium heights, except when limited by blank size and thickness.
    Science is a way of trying not to fool yourself. - Richard P. Feynman

    Experience is the hardest teacher. She gives the test before the lesson.



  3. #3
    OptiBoard Professional Kyle's Avatar
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    practicality trumps all

    Actually, while there are no listed maximums, you'll want to consider the intended function of the distance field of the lens. If, to fit a PAL on pupil, you measure at 30 high and the B is only 31, do you really think the patient will be happy driving? That said, they may REALLY like them for...hm...idunno...playing tiddly winks?

    Either adjust the frame properly prior to measurement or choose a different frame that accommodates both regions intelligently.



    k

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    One of the worst people here
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    Watch about going too big. See what happens when they begin falling down stairs.

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