Full depth of focus intraocular lens
AssigneeAlcon Inc.
InventorYueai LIU
Life of this patent
Estimating the term…
Abstract
An ophthalmic lens comprising an anterior surface and a posterior surface, at least one of the anterior surface and posterior surface including a first surface region corresponding to a photopic aperture of a pupil and a second surface region corresponding to a difference between the photopic aperture and a mesopic aperture of the pupil. A first microstructure pattern formed in a the first surface region, the first microstructure pattern introducing a phase perturbation into an optical path of incoming light such that a full depth of focus for photopic vision is provided.
Claims12
An ophthalmic lens comprising:
- an anterior surface and a posterior surface, at least one of the anterior surface and posterior surface including a first surface region corresponding to a photopic aperture of a pupil and a second surface region corresponding to a difference between the photopic aperture and a mesopic aperture of the pupil;
- and a first microstructure pattern formed in a the first surface region, the first microstructure pattern introducing a phase perturbation into an optical path of incoming light such that a full depth of focus for photopic vision is provided.
An intraocular lens comprising:
- a first microstructure pattern for extending depth of focus of visible light along an optical axis of the intraocular lens, the first microstructure pattern formed in a first surface region of the optic zone corresponding to a photopic aperture of the pupil.
Dependencies are inferred from the claim text.