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
  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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