Boston Contact Lenses

Discussion in 'Contact Lenses' started by Bob Simon, Jul 8, 2008.

  1. Bob Simon

    Bob Simon Guest

    The Boston web site states that their Boston 7 lens "utilizes
    innovative technological innovations in basic polymer chemistry to
    achieve a lens that offers a balance between the effects of low and
    high dk materials."

    What are these effects that their lens balances?
    Bob Simon, Jul 8, 2008
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  2. Bob Simon

    MS Guest

    The higher the dk, the higher the oxygen permeability of the lenses. So, one
    would think that higher dk = better. So, I'm not sure why they advertise
    "offers a balance between low and high dk".
    MS, Jul 12, 2008
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