Slightly blurred vision up-close with Acuvue 2

Discussion in 'Eye-Care' started by Kimi, Jul 14, 2003.

  1. Kimi

    Kimi Guest

    Hi.

    I have noticed something during my first three days wearing contact
    lenses, Acuvue 2. My vision is exceptional when at any distance, but my
    extreme close-up vision seems to be worst than without the contacts. For
    example, when I look out the eye hole on my front door, it looks a bit
    blurry. Not really blurry, but a bit blurry. Or, the food on my plate
    looks a little less sharp than the food on everyone else's plate at the
    table.

    The first thing that comes to mind to me would be that my up-close
    vision is now worst than my distance vision with contacts, but that does
    not explain why a small label looks clearer to me without contacts than
    with the contacts.

    Any ideas?

    Thanks,
    Kimi
     
    Kimi, Jul 14, 2003
    #1
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  2. Kimi

    Mike Tyner Guest

    Not questioning your observation, but it isn't typical.

    In practice we usually find the opposite, but only with lenses stronger than
    +/-400. When the specs are -425, most people do better with contacts of -400.

    "Stronger" and "weaker" are treacherous terms if we don't know whether yours is
    plus or minus.

    If you're nearsighted, it may be that glasses for nearsightedness reduce the
    need to converge, a prism effect that increases away from the center. Contacts
    don't have this effect. Reducing the need for convergence could paradoxically
    make it harder to focus. Or easier. Convergence and accommodation share
    innervation so changing one means the other has to compensate.

    -MT
     
    Mike Tyner, Jul 15, 2003
    #2
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