Focus Night & Day vs. AirOptix Night & Day

Discussion in 'Optometry Archives' started by MS, Jun 13, 2009.

  1. MS

    MS Guest

    I have worn the Cibavision Focus Night & Day lenses for several years, and
    found them quite comfortable.

    Recently at the OD though, he gave me a sample of "AirOptix Night and Day",
    by the same company.

    Is there any difference between Focus N&D and AO N&D, or is it just a new
    name? It looks like they both use the same material (I think lotrafilcon A),
    the highest DK soft contact material there is. (Different than the material
    in the regular (not N&D) Airoptix lenses, which is lotrafilcon B, I think,
    not nearly as high a dK.)

    Is there any change in how the new (AO) N&Ds are cut? Can one still buy the
    old (Focus) N&Ds, or have they been completely discontinued?

    The strange thing is--I find the new AO N&D to be much less comfortable.
    What could cause that?

    My old Focus N&Ds had a BC of 8.4, and I notice the new one is 8.6. Could
    that cause decreased comfort? Does the new AO N&Ds still come available in
    8.4 BC?

    Thank you.
    MS, Jun 13, 2009
  2. MS

    MS Guest

    No comments regarding the differences (if any) between these two lenses?
    MS, Jun 19, 2009
  3. MS

    Mike Ruskai Guest

    When I tried Focus N&D, I found them horrifically uncomfortable. That said, a
    different base curve can easily change the comfort factor. I can say from
    personal experience that Oasys lenses at 8.8 feel much different than Oasys
    lenses at 8.4.

    I'm partial these days, though, to Biofinity, which comes in 8.6, has a very
    high O2 throughput, and rounded edges (unlike N&D).
    Mike Ruskai, Jun 27, 2009
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