公开(公告)号：AU2022215324B2

公开(公告)日：2024-06-27

申请号：AU2022215324

申请日：2022-08-15

Applicant: ALCON INC

Inventor： LIU YUEAI ,  HONG XIN ,  CHOI MYOUNG-TAEK

IPC: G02C7/04 ,  A61F2/16

Abstract: A method and system provide a multifocal ophthalmic device. The ophthalmic lens has an anterior surface, a posterior surface and at least one diffractive structure including a plurality of echelettes. The echelettes have at least one step height of at least one wavelength and not more than two wavelengths in optical path length. The diffractive structure(s) reside on at least one of the anterior surface and the posterior surface. The diffractive structure(s) provide a plurality of focal lengths for the ophthalmic lens.

公开(公告)号：AU2023206131A1

公开(公告)日：2023-08-10

申请号：AU2023206131

申请日：2023-07-19

Applicant: ALCON INC

Inventor： CHOI MYOUNG-TAEK ,  HONG XIN ,  LIU YUEAI

IPC: A61F2/16 ,  A61F2/14

Abstract: A multifocal ophthalmic lens is provided including an ophthalmic lens having a base curvature corresponding to a base power; and a diffractive element comprising a plurality of annular zones configured to produce constructive interference in at least four consecutive diffractive orders corresponding a range of vision. The constructive interference produces a near focus, a distance focus corresponding to the base power of the ophthalmic lens, a near-intermediate focus, and a far-intermediate focus, each corresponding to a different one of the four consecutive diffractive orders. The near focus, the near-intermediate focus, and the far-intermediate focus each correspond to a different add power relative to the base power. A first add power corresponding to the far-intermediate focus is less than one half of a third add power corresponding to the near focus; and a second add power corresponding to the near-intermediate focus is greater than one half of the third add power corresponding to the near focus.

公开(公告)号：CA3235869A1

公开(公告)日：2023-06-08

申请号：CA3235869

申请日：2022-11-15

Applicant: ALCON INC

Inventor： LEE SHINWOOK ,  HONG XIN ,  CHOI MYOUNG-TAEK ,  XU ZHIGUANG

Abstract: A multi-layer intraocular lens (IOL) includes a lens body, including an anterior diffractive optics layer, comprising a first biocompatible material, and a posterior diffractive optics layer, comprising a second biocompatible material that is different from the first biocompatible material. The anterior diffractive optics layer and the posterior diffractive optics layer are sealed in a peripheral non-optic portion of the lens body with a gap between the anterior diffractive optics layer and the posterior diffractive optics layer.

公开(公告)号：AU2017367260B2

公开(公告)日：2022-06-30

申请号：AU2017367260

申请日：2017-11-16

Applicant: ALCON INC

Inventor： LIU YUEAI ,  HONG XIN ,  CHOI MYOUNG-TAEK

IPC: G02C7/04 ,  A61F2/16

Abstract: A method and system provide a multifocal ophthalmic device. The ophthalmic lens has an anterior surface, a posterior surface and at least one diffractive structure including a plurality of echelettes. The echelettes have at least one step height of at least one wavelength and not more than two wavelengths in optical path length. The diffractive structure(s) reside on at least one of the anterior surface and the posterior surface. The diffractive structure(s) provide a plurality of focal lengths for the ophthalmic lens.

公开(公告)号：AU2013363594B2

公开(公告)日：2017-10-12

申请号：AU2013363594

申请日：2013-12-03

Applicant: ALCON INC

Inventor： CARSON DANIEL ROBERT ,  CHOI MYOUNG-TAEK ,  LEE SHINWOOK

IPC: A61F2/16

Abstract: A method and system provide an ophthalmic device. The ophthalmic device includes an ophthalmic lens having an anterior surface, a posterior surface, an optic axis and at least one diffractive grating pattern. The diffractive grating pattern(s) are disposed on at least one of the anterior surface and the posterior surface. The diffractive grating pattern(s) includes zones corresponding to distance ranges from the optic axis. Each of the zones has a plurality of echelettes having a radius of curvature corresponding to a focal length. The radius of curvature for each of at least a portion of the zones is different from the radius of curvature for another of the zones.

公开(公告)号：AU2018389854C1

公开(公告)日：2025-05-01

申请号：AU2018389854

申请日：2018-12-20

Applicant: ALCON INC

Inventor： CAMPIN JOHN ALFRED ,  CHOI MYOUNG-TAEK ,  CURATU COSTIN EUGENE ,  PETTIT GEORGE HUNTER ,  WEI XIN

IPC: A61F2/16

Abstract: An ophthalmic lens includes an optic having an anterior surface with an anterior surface radius of curvature (R

公开(公告)号：AU2022402487A1

公开(公告)日：2024-05-02

申请号：AU2022402487

申请日：2022-11-15

Applicant: ALCON INC

Inventor： LEE SHINWOOK ,  HONG XIN ,  CHOI MYOUNG-TAEK ,  XU ZHIGUANG

IPC: A61F2/16

Abstract: A multi-layer intraocular lens (IOL) includes a lens body, including an anterior diffractive optics layer, comprising a first biocompatible material, and a posterior diffractive optics layer, comprising a second biocompatible material that is different from the first biocompatible material. The anterior diffractive optics layer and the posterior diffractive optics layer are sealed in a peripheral non-optic portion of the lens body with a gap between the anterior diffractive optics layer and the posterior diffractive optics layer.

公开(公告)号：AU2022203187A1

公开(公告)日：2022-06-02

申请号：AU2022203187

申请日：2022-05-12

Applicant: ALCON INC

Inventor： CHOI MYOUNG-TAEK ,  LIU YUEAI ,  HONG XIN

IPC: A61F2/16 ,  G02C7/04

Abstract: Abstract An ophthalmic lens comprises an anterior surface having an anterior surface base curvature and a posterior surface having a posterior surface base curvature. The anterior surface base curvature and the posterior surface base curvature are adapted to provide a base power defining a first focus corresponding to a first focal length and a first spherical aberration corresponding to the first focus. A diffractive structure disposed on one of the anterior surface and the posterior surface is adapted to split light between the first focus corresponding to the first focal length and a second focus corresponding to a second focal length; and provide a second spherical aberration corresponding to the second focus. The second spherical aberration has an opposite sign relative to the first spherical aberration. The first focus is associated with a first intensity peak of an energy profile of the ophthalmic lens, the second focus is associated with a second intensity peak of the energy profile of the ophthalmic lens and the first spherical aberration extends the first intensity peak asymmetrically toward the second intensity peak.

公开(公告)号：CA3115626A1

公开(公告)日：2020-04-23

申请号：CA3115626

申请日：2019-10-17

Applicant: ALCON INC

Inventor： CHOI MYOUNG-TAEK ,  HUANG GANG ,  LIU YUEAI ,  MANGUM MICHAEL LEE ,  ZHAO ZEYU

IPC: A61F9/00 ,  A61F2/16 ,  G02C7/04

Abstract: An intraocular lens including an optic zone and a modulated surface profile formed in the optic zone and configured to focus incident light at a plurality of focal points, wherein the modulated surface profile is incorporated with a base surface profile of the optic zone.

公开(公告)号：AU2015200449B2

公开(公告)日：2019-08-29

申请号：AU2015200449

申请日：2015-01-30

Applicant: ALCON INC

Inventor： CHOI MYOUNG-TAEK ,  HONG XIN ,  LIU YUEAI

IPC: A61F2/16 ,  A61F2/14

Abstract: A multifocal ophthalmic lens includes an ophthalmic lens and a diffractive element. The ophthalmic lens has a base curvature corresponding to a base power. The diffractive element produces constructive interference in at least four consecutive diffractive orders corresponding a range of vision between near and distance vision. The constructive interference produces a near focus, a distance focus corresponding to the base power of the ophthalmic lens, and an intermediate focus between the near focus and the distance focus. A diffraction efficiency of at least one of the diffractive orders is suppressed to less than ten percent. FIG.I x~r