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AssigneeBausch & Lomb Incorporated
InventorsRonald J. Martino, David F. Prelewitz, Kevin Kearney
Estimating the term…
A wavefront-sensing device for measuring ocular aberrations includes, among other things, a retinal illumination component and a wavefront imaging component (e.g., a microlens array for a Shack-Hartmann wavefront sensor). The retinal illumination component includes a laser source and a fixed collimating lens. In one embodiment, an improved device has a beam path between the retinal illumination component and the patient's eye containing no refracting, diffracting, or phase altering components for focusing the illumination beam on the retina. In another embodiment, the retinal illumination component provides a beam having a diameter on the retina that is smaller than the diffraction limit of the wavefront imaging component over a refractive focus range of the patient's eye of between about −12D to +6D.
An improved wavefront sensing device for measuring an aberrated wavefront from a patient's eye, said device comprising an optical head including a retinal illumination component, a data acquisition, storage and processing system including a lenslet array for imaging the aberrated wavefront on a detector, and interlinking electronics integrated to detect, measure and display ocular aberration information, the improvement characterized by:
The device of claim 5, wherein the light source emits a wavelength in the range of about 780 nm to 800 nm.
A wavefront sensing device for measuring ophthalmic wavefront aberrations, comprising a retinal illumination component and a wavefront imaging component, wherein there are no refracting, diffracting, or phase altering components in an optical path intermediate the retinal illumination component and a patient's cornea.
An ophthalmic wavefront sensing device comprising a retinal illumination component that provides a beam to a foveal surface of a patient's eye having a characteristic beam diameter that is less than a diffraction limit value of a wavefront imagining component over a refractive range of the patient's eye between about −12D to +6D.
A method for obtaining a wavefront measurement of a patient's eye with an aberrometer, comprising the steps of:
Dependencies are inferred from the claim text.