Iris Dilation Versus Accuracy?

Discussion in 'Optometry Archives' started by John Blake, May 27, 2004.

  1. John Blake

    John Blake Guest

    Can a prescription vary significantly in
    accuracy if it's determined with/without
    drops and a dilated iris? What's best? Thanks.
    John
     
    John Blake, May 27, 2004
    #1
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  2. Unless it involves a you child, the Rx isusually best determined while in
    the usual non-dilated state. Dilating changes the muscle tone of the eye,
    and a larger pupil can change the optics of the ye, since peripheral lens
    differs from central lens.
     
    David Robins, MD, Jun 10, 2004
    #2
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