lenses for rimless

Discussion in 'Optometry Archives' started by Mashi, May 24, 2004.

  1. Mashi

    Mashi Guest

    I recently got the rimless frame with poly carbonate lenses.. I found
    the lenses is too flexible. the center of the len is really thin. Is
    there a special lenses for rimless frame ?
    My bro got a sunglasses. the lenses thickness is big equal.

    thanks
     
    Mashi, May 24, 2004
    #1
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  2. Mashi

    Mark A Guest

    Polycarbonate is good for rimless frames because of its high tensile
    strength and impact resistance. However the optics of polycarb are not very
    good, which affects some prescriptions more than others.

    Assuming you are talking about the center of the lens, the thinness in the
    middle of a lens is probably because of your near-sighted prescription.

    But is it the lens that is too flexible, or the frame itself? Rimless
    frames have very flexible bridges. Perhaps the bridge is not attached to the
    lens firmly enough?
     
    Mark A, May 24, 2004
    #2
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