wearing daily disposibles longer than prescribed?

Discussion in 'Optometry Archives' started by nshortway, Mar 7, 2005.

  1. nshortway

    nshortway Guest

    Hi,

    I'm a contact wearer for about 10 years now. I started with
    non-disposibles, then after a year, got a bad case of conjunctivitis,
    and switched to 2 week disposibles. About 3 years ago, I switched to
    Focus Dailies. When I started out, for the first year and a half, I
    always took them out every night and put in a new pair in the morning.
    But over the last year and a half, I've been wearing the same lenses
    for much longer periods. It started slow...like wearing them for two
    nights then switching, but now, I've found myself wearing the same pair
    (sleeping with them in too) for weeks at a time. Throughout it all I
    have always closely monitored my eyes, looking for signs of any kind of
    infection, but I have not once had an infection during the entire time,
    and my ophthalmalogist has always said that my eyes are in great shape
    (I go about once every 6 months). The contacts almost never bother me
    either, with the very occasional dryness.

    My question is this: If I'm using the dailies like this, and not
    getting any type of infection, are there any other hazards that I
    should be looking out for. I know that this is clearly not the
    prescribed way to use these type of lenses, but all the problems that
    people have warned me about have not come true after wearing them in
    this long-term manner for almost two years.

    Thanks
    -Nick
     
    nshortway, Mar 7, 2005
    #1
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  2. nshortway

    Dr Judy Guest

    How much do you like to gamble? You have done this for a while but it will
    catch up with you. If you are sleeping with them in, you should switch to
    one of the silicon hydrogel materials.

    I think it is time to 'fess up to your fitter and ask to go back to monthly
    disposables or the newer high oxygen lenses.

    Dr Judy
     
    Dr Judy, Mar 7, 2005
    #2
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  3. nshortway

    nshortway Guest

    Dr. Judy,

    Thanks for your reply. Your probably right...I will look into those
    options. Just curious, though: what will catch up with me? An
    infection of some kind? Or is it damaging some part of my eyes that
    just isn't showing any symptoms? It just seems strange, since I
    actually find my current contact wearing strategy to minimize the
    amount of irritation in my eyes ( I know it sounds strange, but it is
    definitely true...putting my contacts in and taking them out every day
    really made my eyes sore.)

    Are the silicon hydrogel lenses the same as the high oxygen ones? If
    so, are there any downsides to them? What about price-wise in relation
    to the type I'm using now?

    Thanks a lot!

    -Nick
     
    nshortway, Mar 8, 2005
    #3
  4. nshortway

    Dr Judy Guest

    You will be symptom free until you have a corneal ulcer or significant giant
    pappillary conjunctivitis from not cleaning your lenses. You have an
    increased risk of corneal ulcer if you sleep in your lenses, and an even
    greater risk if you use low oxygen lenses like the dailies. You have a
    significant risk of developing new blood vessels in your cornea from
    sleeping with low oxygen lenses. As I said, how much do you like to gamble?
    You may or may not get these problems, it could happen tomorrow, it could
    happen in ten years.

    It just seems strange, since I
    If you cornea is lacking oxygen, the corneal nerves will be less sensitive
    and you well may not feel irritation that you would notice if the cornea
    nerves were working fully. Thus the increased comfort may not indicate
    things are better.
    The silicon hydogels are the newest, very high oxygen lenses like PureVision
    and Night and Day. Only downside is that a small percentage of people
    deposit lipids on them. If you were actually disposing your daily lenses
    daily, a year's supply of silicon hydrogels is about the same cost as a
    year's supply of daily lenses, about $1 to $1.50 per day --- cheap in
    comparison to what people spend on take out coffee or bottled water or
    cigarettes or lottery tickets or manicures ......

    Dr Judy
     
    Dr Judy, Mar 8, 2005
    #4
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