Method and apparatus for measuring wavefront aberrations
AssigneeJohnson & Johnson Vision Care, Inc.
InventorsBrett A. Davis, Michael J. Collins, Daoud R. Iskander, Jeffrey H. Roffman, Denwood F. Ross, III
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Abstract
An apparatus and method for measuring wavefront aberrations. The apparatus comprises a reflecting device for reflecting selected portions of the wavefront, an imaging device for capturing information related to the selected portions, and a processor for calculating aberrations of the wavefront from the captured information. The method comprises reflecting selected portions of a wavefront onto the imaging device, capturing information related to the selected portions, and processing the captured information to derive the aberrations.
Claims13
A method for measuring an optical wavefront comprising the steps of:
- (a) reflecting, using a reflecting device comprising a plurality of mirrors, a selected portion of the optical wavefront onto an imaging device;
- (b) reflecting, using the reflecting device comprising the plurality of mirrors, another selected portion of the optical wavefront onto said imaging device;
- and
- (c) capturing information related to each of the selected portions of the optical wavefront for computing the aberration of each of the selected portions.
A method for measuring an optical wavefront comprising the steps of:
- reflecting, using a reflecting device comprising a plurality of mirrors, each of a plurality of portions of the optical wavefront onto an imaging device;
- and
- determining aberrations of the optical wavefront.
A method for measuring wave aberrations of a focusing optical system comprising:
- generating a spot on a reflective surface within the focusing optical system;
- reflecting, using a reflecting device comprising a plurality of mirrors, each of a plurality of portions of a point source image emitted from the focusing optical system onto an imaging device;
- and
- determining wave aberrations of the focusing optical system.
A method for determining wave aberrations of an eye comprising the steps of:
- generating a beam;
- passing said beam to a spot on a retina of the eye;
- passing a wavefront corresponding to said spot on said retina emanating from said eye to a multi-mirror device;
- and
- selectively reflecting, using a reflecting device comprising a plurality of mirrors, portions of said wavefront incident on said multi-mirror device to an imaging device.
Dependencies are inferred from the claim text.