Title:
近視を軽減するためのコンタクトレンズおよびその製造方法
Document Type and Number:
Japanese Patent JP7222981
Kind Code:
B2
Abstract:
A method of making a contact lens includes providing a cylindrical blank for the contact lens, the cylindrical blank including a first portion and a second portion. The first portion is formed from a homogenous, optically clear material and the second portion is formed from an inhomogeneous, optically-scattering material. The method includes shaping the cylindrical blank to provide the contact lens. The contact lens includes a first region surrounded by a second region, the first region being formed from the homogenous, optically clear material and the second region being formed from the inhomogeneous, optically-scattering material.
Inventors:
Thomas W. Charlberg Jr.
Application Number:
JP2020512767A
Publication Date:
February 15, 2023
Filing Date:
May 08, 2018
Export Citation:
Assignee:
Sightglass Vision Incorporated
International Classes:
G02C7/04; B29C33/42; B29C39/18; B29C39/26; G02B5/02
Domestic Patent References:
| JP60046523A | ||||
| JP2006184477A |
Foreign References:
| US4558931 | ||||
| US4710327 |
Attorney, Agent or Firm:
Murayama Yasuhiko
Shinya Mihiro
Tatsuhiko Abe
Shinya Mihiro
Tatsuhiko Abe
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