Ocular aberration correction taking into account fluctuations due to biophysical rhythms
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsDenwood F. Ross, III, Brian G. Rice, Tammie M. Braswell
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Abstract
The invention provides correction of wavefront aberrations of the eye that take into account fluctuations in the aberrations due to biophysical rhythms. Correction is provided for an intermediate value of these fluctuations of the wavefront aberrations. This intermediate value is determined by extrapolating a wavefront measurement to predict the overall variation. The final correction is determined using a weighting scheme derived from the clinical comparisons of the frequency and amplitude components of the variations.
Claims14
A method for designing a correction for an individual's visual acuity, comprising the steps of:
- a.) obtaining, for a computationally sufficient amount of time, an ocular wavefront aberration measurement of the individual's eye;
- b.) determining a frequency component and an amplitude component for cyclical variations of the ocular wavefront aberration measurements;
- and c.) computing an ocular wavefront aberration correction for one or more aberrations of the individual's eye taking into account -the cyclical variations.
Dependencies are inferred from the claim text.