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Thread: Recommendations for high plus bifocal?

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    Recommendations for high plus bifocal?

    Got a patient who uses a +12.00 bifocal in combination with contacts. Thoughts on best solutions?

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    The Man, The Myth, The Legend OptiBoard Gold Supporter Fezz's Avatar
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    Always learning OptiBoard Bronze Supporter
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    Quote Originally Posted by PipeDrummer24 View Post
    Got a patient who uses a +12.00 bifocal in combination with contacts. Thoughts on best solutions?
    Not sure if you mean a +12.00 add over the CLs, or a +12.00 distance Rx and the client needs eyeglasses as a backup to the CLs. If the latter, see...

    http://portal.signetarmorlite.com/ap...&cat=0111&tit=

    http://www.bcdlens.com/products/aspheric28.aspx


    As noted by Fezz, there may be other solutions available. However, I would be cautious with using super high index materials at this power (CA issues). Some labs have had success surfacing the Super Mod/cr39 on a free-form generator (Quest?). That might be the best solution if the goal is the best possible vision (assuming optimal positioning in front of the eyes).

    Hope this helps,
    Robert Martellaro
    Roberts Optical Ltd.
    Wauwatosa Wi.
    www.roberts-optical.com
    ~~~~~~~~~~~~~~~~~~
    “Science is a way of trying not to fool yourself"
    -Richard Feynman
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    A mime-free zone.

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    As I stated reguarding high minus question. Remember that the patient will have only limited peripheral acuity no matter what you do or the size of the lens. Also you will have a ring scotoma with high plus lenses. So something with a small bowl if possible will be visually just as effective as a large lens. If patient is a successfull contact lenses wearer with a good fit, he is only going to use them to find the bathroom and his contact lenses. If patient has a poor fit in his contacts he may wear them go get some relief but warn him that his acuity will not compare to his contacts.

    Chip

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