公开(公告)号：US11903819B2

公开(公告)日：2024-02-20

申请号：US17231374

申请日：2021-04-15

Applicant: Alcon Inc.

Inventor： Myoung-Taek Choi ,  Sangyeol Lee ,  Shinwook Lee ,  Wangkuen Lee

IPC: A61F2/16

CPC classification number: A61F2/1627 ,  A61F2/164 ,  A61F2/1616 ,  A61F2/1632

Abstract: The present disclosure provides an ophthalmic lens (such as an IOL) that is designed to enhance depth of focus for intermediate vision performance, while maintaining distance vision. The lens may include an optic having an anterior surface and a posterior surface disposed about an optical axis. One of the surfaces (e.g., the anterior surface) may have a surface profile involving a superposition of at least three structures or profiles, including a base structure, a phase shift structure having an inner region, an outer region and a transition region, and a zonal structure having an inner power zone and an outer transition zone.

公开(公告)号：US12097112B2

公开(公告)日：2024-09-24

申请号：US17804120

申请日：2022-05-26

Applicant: Alcon Inc.

Inventor： Jeffrey Ryan Lutkenhaus ,  Shinwook Lee ,  Sangyeol Lee ,  Daniel Robert Carson ,  Zaiwei Xu

IPC: A61F2/16

CPC classification number: A61F2/164 ,  A61F2/1618

Abstract: The present disclosure provides an ophthalmic lens that is disposed to balance coma aberrations if the lens, when inserted in a patient's eye, is decentered or tilted with respect to an optical axis of the patient's eye, and maintain a substantially diffraction-limited image quality if the lens, when inserted in the patient's eye, is centered with respect to the optical axis of the patient's eye. The lens may include an optic having an anterior surface and an opposing posterior surface disposed about an optical axis of the lens. One of the surfaces (e.g., the anterior surface) may have a semi-aspheric surface profile, which includes an inner region having a substantially spherical surface profile and extending radially from the optical axis of the lens to a first boundary, and an outer region having an aspherical surface profile and extending radially at least beyond the first boundary to a second boundary.

公开(公告)号：US20220401212A1

公开(公告)日：2022-12-22

申请号：US17804120

申请日：2022-05-26

Applicant: Alcon Inc.

Inventor： Jeffrey Ryan Lutkenhaus ,  Shinwook Lee ,  Sangyeol Lee ,  Daniel Robert Carson ,  Zaiwei Xu

IPC: A61F2/16

Abstract: The present disclosure provides an ophthalmic lens that is disposed to balance coma aberrations if the lens, when inserted in a patient's eye, is decentered or tilted with respect to an optical axis of the patient's eye, and maintain a substantially diffraction-limited image quality if the lens, when inserted in the patient's eye, is centered with respect to the optical axis of the patient's eye. The lens may include an optic having an anterior surface and an opposing posterior surface disposed about an optical axis of the lens. One of the surfaces (e.g., the anterior surface) may have a semi-aspheric surface profile, which includes an inner region having a substantially spherical surface profile and extending radially from the optical axis of the lens to a first boundary, and an outer region having an aspherical surface profile and extending radially at least beyond the first boundary to a second boundary.

公开(公告)号：US20250099230A1

公开(公告)日：2025-03-27

申请号：US18897752

申请日：2024-09-26

Applicant: Alcon Inc.

Inventor： Wei Lu ,  Myoung-Taek Choi ,  Zhiguang Xu ,  Sangyeol Lee ,  Shinwook Lee ,  Daniel R. Carson

IPC: A61F2/16

Abstract: Provided in this document are examples of a multifocal ophthalmic lens. The lens includes a base lens having a base curvature corresponding to a base power; and a diffractive structure comprising a plurality of annular echelettes formed on a first surface of the base lens. The diffractive structure is configured to produce a zero-order diffraction corresponding to a distance vision focal point determined by the base power, the diffraction efficiency of the zero-order diffraction between 45% and 55%; a first-order diffraction having a diffraction efficiency between 5% and 10%; a second-order diffraction corresponding to an intermediate vision focal point, the diffraction efficiency between 15% and 20%; and a third-order diffraction corresponding to a near vision focal point, the diffraction efficiency between 15% and 25%. The diffractive structure includes a plurality of annular diffractive steps, each defined by a profile having a curved slope and a peak.

公开(公告)号：US20210330452A1

公开(公告)日：2021-10-28

申请号：US17231374

申请日：2021-04-15

Applicant: Alcon Inc.

Inventor： Myoung-Taek Choi ,  Sangyeol Lee ,  Shinwook Lee ,  Wangkuen Lee

IPC: A61F2/16

Abstract: The present disclosure provides an ophthalmic lens (such as an IOL) that is designed to enhance depth of focus for intermediate vision performance, while maintaining distance vision. The lens may include an optic having an anterior surface and a posterior surface disposed about an optical axis. One of the surfaces (e.g., the anterior surface) may have a surface profile involving a superposition of at least three structures or profiles, including a base structure, a phase shift structure having an inner region, an outer region and a transition region, and a zonal structure having an inner power zone and an outer transition zone.