公开(公告)号：US20240288712A1

公开(公告)日：2024-08-29

申请号：US18588225

申请日：2024-02-27

Applicant: Alcon Inc.

Inventor： Ethan Leveillee ,  Joseph Michael Lindacher ,  David Borja ,  Ying Pi ,  Newton T. Samuel ,  Ya-Wen Chang

IPC: G02C7/04

CPC classification number: G02C7/04

Abstract: A bi-layer contact lens having an insert embedded in a bulk hydrogel material. The insert comprises at least one peripheral edge, wherein the peripheral edge of the insert is configured to provide improved lens performance by selective application of at least one design parameter selected from width, angle, shape configuration, and combinations thereof the peripheral edge of the insert.

公开(公告)号：US20210191154A1

公开(公告)日：2021-06-24

申请号：US17125040

申请日：2020-12-17

Applicant: Alcon Inc.

Inventor： David Borja ,  Joseph Michael Lindacher ,  Ying Pi

IPC: G02C7/04

Abstract: A hybrid diffractive and refractive contact lens, and methods of treatment of optical conditions using such a lens. A first lens portion is formed from a first lens material having a first index of refraction and includes at least one diffractive optical element. A second lens portion is formed from a second lens material having a second index of refraction different from the first index of refraction. The diffractive optical element may be embedded within the second lens portion to provide comfort, tear film stability, and optical performance.

公开(公告)号：US20240288713A1

公开(公告)日：2024-08-29

申请号：US18588279

申请日：2024-02-27

Applicant: Alcon Inc.

Inventor： Ethan Leveillee ,  Joseph Michael Lindacher ,  David Borja ,  Ying Pi ,  Newton T. Samuel ,  Ya-Wen Chang

IPC: G02C7/04 ,  B29D11/00 ,  G02C7/02 ,  B29K29/00

CPC classification number: G02C7/049 ,  B29D11/00057 ,  B29D11/00317 ,  B29D11/0048 ,  G02C7/021 ,  B29C2795/007 ,  B29K2029/04

Abstract: An embedded contact lens that comprises a lens body that has an anterior surface and an opposite posterior surface. The lens body is composed of a bulk hydrogel material and a circular insert embedded in the bulk hydrogel material and comprises an annular mask on the anterior surface or the posterior surface of the lens body. The circular insert comprises a peripheral edge. Both the annular mask and the insert are concentric with a central axis of the lens body. The annular mask is an opaque colored area that covers or overlaps the peripheral edge of the circular insert to minimize or eliminate optical disturbances induced by peripheral edge of the circular insert.

公开(公告)号：US20230004023A1

公开(公告)日：2023-01-05

申请号：US17838358

申请日：2022-06-13

Applicant: Alcon Inc.

Inventor： Zahra Bassampour ,  Chandana Kolluru ,  Steve Yun Zhang ,  Adam K. Sniady ,  Thomas M. Moy ,  Frank Chang ,  David Borja ,  Joseph Michael Lindacher ,  Ying Pi

IPC: G02C7/04 ,  C08J3/075 ,  C08G77/14

Abstract: The invention provides a delamination-resistant embedded silicone hydrogel contact lens having an insert that is embedded in a silicone hydrogel bulk material. The insert is made of a crosslinked polymeric material having a refractive index higher than that of the silicone hydrogel bulk material by at least 0.07 and comprises a diffractive structure disposed on one of the front and back curve surfaces of the insert for providing a diffractive power that contributes to the overall optical power of the contact lens.

公开(公告)号：US20220326412A1

公开(公告)日：2022-10-13

申请号：US17710224

申请日：2022-03-31

Applicant: Alcon Inc.

Inventor： Yuan Chang ,  Junhao Ge ,  Ying Pi ,  Cornelius Daniel Niculas ,  Yang Zheng ,  Steve Yun Zhang ,  Michelle Plavnik ,  Ethan Leveillee ,  Jing Cheng ,  Augustine Twum Kumi

IPC: G02B1/04 ,  C08G77/442 ,  B29D11/00 ,  G02C7/04

Abstract: The invention is directed to an embedded hydrogel contact lens, which comprises an insert sandwiched between two layers of hydrogel materials and can be produced according to a cast molding method including the procedures involving two females halves (FC1 and FC2) and two male halves (BC1 and BC2) and three consequential molding steps involving three molding assemblies: the 1st one formed between FC1 and BC1 for molding an insert; the 2nd one formed between FC1 and BC2 for molding a lens precursor having the molded insert embedded in a layer of a hydrogel material in a way that the front surface of the molded insert merges with the convex surface of the lens precursor; and the 3rd one formed between FC2 and BC2 for molding an embedded hydrogel contact of the invention.

公开(公告)号：US20210191153A1

公开(公告)日：2021-06-24

申请号：US17125003

申请日：2020-12-17

Applicant: Alcon Inc.

Inventor： David Borja ,  Joseph Michael Lindacher ,  Ying Pi

IPC: G02C7/04

Abstract: A hybrid diffractive and refractive contact lens, and methods of treatment of optical conditions using such a lens. A first lens portion is formed from a first lens material having a first index of refraction and includes at least one diffractive optical element. A second lens portion is formed from a second lens material having a second index of refraction different from the first index of refraction. The diffractive optical element may be embedded within the second lens portion to provide comfort, tear film stability, and optical performance.