Title:
A method and a device containing an extended depth-of-focus intraocular lens
Document Type and Number:
Japanese Patent JP6041401
Kind Code:
B2
Abstract:
An intraocular lens has a monofocal lens body that defines a focal length and is configured to add more higher order aberration (HOA) to an eye than a spherical IOL with the same focal length. The lens body defines an optical center, an outer edge, a first region that extends from the optical center to a radius between the outer edge and the optical center, and a second region located radially outward of the first region. The second region is configured to reduce the longitudinal HOA that would otherwise occur in low light conditions. The lens body may be configured to create a higher order aberration to normalized radial distance ratio (HOA-NRD ratio) profile that increases in slope as NRD increases within at least a portion of the first region and does not increase in slope as NRD increases within at least a portion of the second region. The HOA may be a spherical aberration, trefoil or coma.
Inventors:
Lau Tsundeo
Barrett Graham
Barrett Graham
Application Number:
JP2014505424A
Publication Date:
December 07, 2016
Filing Date:
August 03, 2012
Export Citation:
Assignee:
Barrett Graham
International Classes:
A61F2/16; G02C7/04; G02C7/06
Domestic Patent References:
| JP2004121433A | ||||
| JP2009536052A | ||||
| JP2007330478A |
Foreign References:
| WO2010104530A1 | ||||
| WO2010100523A1 |
Attorney, Agent or Firm:
Aniya Setsuo
Fukuoka Masahiro
Okuyama Tomohiro
Hideo Tachibana
Toru Yui
Hitoshi Kiyono
Hashimura Kazumasa
Fukuoka Masahiro
Okuyama Tomohiro
Hideo Tachibana
Toru Yui
Hitoshi Kiyono
Hashimura Kazumasa