NAC (N-Acetyl-Carnosine) cataract eye drops

Discussion in 'Eye-Care' started by Anonymous, Sep 10, 2004.

  1. Anonymous

    Anonymous Guest

    Anonymous, Sep 10, 2004
    #1
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  2. Anonymous

    LarryDoc Guest

    You're not nearly as anonymous as you think, eyeguy. But this and your
    previous posts regarding non-traditional treatments for cataracts does
    deserve discussion in this forum.

    CAN-C

    The stuff you are "promoting", Can-C is sold by Innovative Vision
    Products. Virtually 100% of the available clinical research on
    n-acetylcarnosine (PubMed/Medline) comes from people directly associated
    with the manufacture and sales of the product. Although there is
    clearly (pun intended) some science behind the concept of protecting the
    lens from oxidative stress to *prevent* cataract formation, there is
    little to suggest one can reverse those changes that result in clouding
    of the lens. The "studies" conducted by IVP were animal research and
    they have not demonstrated a clear cause and effect relationship with
    repeatable results, even on animals. So, in theory it looks promising.
    In fact, there is no proof that it works on people.

    FYI, Some years ago, n-a-c combined with ascorbic acid (vitamin C) was
    formulated for use as cataract treatment/prevention. There research
    data, and the company doing it have disappeared. Did it work and
    threaten the surgery/implant industry or was it a dismal failure and
    bankrupt the company? Conspiracy theorists should have a great time with
    that one!

    But there are a couple of more interesting "drops" for cataracts to
    discuss:

    VITREOLENT. Rx

    This is a solution of potassium and sodium iodide manufactured and sold
    by Novartis Pharmaceuticals, by prescription, in Germany, Poland, Italy
    and some other European countries. I have a patient (from Poland) who
    uses this product. It was used rather extensively following the
    Chernobel nuclear disaster. The primary application is/was to prevent
    radiation-induced oxidative changes to the lens. I was unable to locate
    (as of today) and clinical data that supports the efficacy of this
    commercially available prescription drug, but one would think that
    Novartis must have something. Perhaps someone fluent in German can dig
    into their German-language documents and tell us more.

    CATALIN

    This is a solution of pirenoxine, from Takeda, Japan, and sold in a
    number of countries around the world (but not in the USA or Canada).
    Similar in concept to Can-C, it allegedly works by neutralizing
    oxidative stress on the crystalline lens.

    I would hope that you all see a common thread among the theoretical
    treatment/prevention of cataracts as it relates to managing destructive
    biochemical changes to the lens material. Meanwhile, your best bet for
    now, I think, is to wear UV blocking sunglasses, eat a diet rich in
    antioxidant foods and avoid being in the vicinity of a nuclear bomb.

    --LB

    --
    Dr. Larry Bickford, O.D.
    Family Practice Eye Health & Vision Care

    The Eyecare Connection
    http://www.eyecarecontacts.com
    larrydoc at eye-care-contacts dot com (remove -)
     
    LarryDoc, Sep 10, 2004
    #2
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