US 7,041,134 B2Granted

Hydraulic configuration for intraocular lens system

AssigneeVisiogen, Inc.

InventorsTuan Anh Nguyen, Valdemar Portney, Gholam-Reza Zadno-Azizi, Albert C. Ting

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Abstract

There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The anterior portion and posterior portion meet at first and second apices of the intraocular lens. The anterior portion and the posterior portion and/or the apices are responsive to force thereon to cause the separation between the viewing elements to change. Additional embodiments and methods are also disclosed.

Claims20

Dependent claims

An intraocular lens system for implantation in an eye having a lens capsule and an optical axis, said lens system comprising:

an anterior portion comprising:
an anterior optic having a periphery;
and
a first retention member, substantially all of said first retention member being located outside of said periphery of said anterior optic, said first retention member being configured to contact a portion of the lens capsule in at least one location in proximity to the periphery of the anterior optic to provide a fluid flow passage that extends from a region posterior of said anterior optic to a region outside said capsule, said first retention member having a periphery which is significantly smaller than the periphery of the anterior optic;
and
a posterior portion comprising a posterior viewing element, said anterior optic and said posterior viewing element being moveable relative to each other along the optical axis in response to action of the ciliary muscle of the eye;
wherein:
said lens system further comprises an optical axis which is adapted to be substantially coincident with the optical axis of the eye upon implantation of said lens system;
said anterior portion and said posterior portion meet at first and second apices of said lens system;
and
said first retention member has a radially outermost portion which is significantly closer to said optical axis of said lens system than is either of said first and second apices.

8 more elements

An intraocular lens system for implantation in an eye having a lens capsule and an optical axis, said lens system comprising:

an anterior portion comprising:
an anterior optic having a periphery;
and
a first retention member, said first retention member being configured to contact a portion of the lens capsule in at least one location in proximity to the periphery of the anterior optic to provide a fluid flow passage that extends from a region posterior of said anterior optic to a region outside said capsule, said first retention member having a periphery which is significantly smaller than the periphery of the anterior optic;
wherein a portion of said periphery of said anterior optic is juxtaposed with a portion of said periphery of said first retention member, such that substantially all of said anterior optic is located outside said periphery of said first retention member;
and
a posterior portion comprising a posterior viewing element, said anterior optic and said posterior viewing element being moveable relative to each other along the optical axis in response to action of the ciliary muscle of the eye;
wherein:
said lens system further comprises an optical axis which is adapted to be substantially coincident with the optical axis of the eve upon implantation of said lens system;
said anterior portion and said posterior portion meet at first and second apices of said lens system;
and
said first retention member has a radially outermost portion which is significantly closer to said optical axis of said lens system than is either of said first and second apices.

9 more elements

An intraocular lens system for implantation in an eye having a lens capsule and an optical axis, said lens system comprising:

an anterior portion comprising:
an anterior optic having a periphery;
and
a first retention member, substantially all of said first retention member being located outside of said periphery of said anterior optic, said first retention member being configured to contact a portion of the lens capsule in at least one location in proximity to the periphery of the anterior optic to provide a fluid flow passage that extends from a region posterior of said anterior optic to a region outside said capsule, said first retention member having a periphery which is significantly smaller than the periphery of the anterior optic;
and
a posterior portion comprising a posterior viewing element, said anterior optic and said posterior viewing element being moveable relative to each other along the optical axis in response to action of the ciliary muscle of the eye;
wherein:
said anterior optic further comprises an optical axis;
said anterior portion and said posterior portion meet at first and second apices of said lens system;
and
said first retention member has a radially outermost portion which is significantly closer to said optical axis of said anterior optic than is either of said first and second apices.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application: 10/877,513Filed 25 Jun 2004 · continuation
Priority: 25 Jan 2001
Published: US 2005/0055092 A110 Mar 2005
Granted: 9 May 2006
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

A61F 2/1613
Intraocular lenses: having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative…
A61F 2/1629
Having adjustable focus; power activated variable focus means, e.g. mechanically or electrically by the ciliary muscle or from the outside: for…
A61F 2/1648
Having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having…:…
B29D 11/023
Artificial eyes from organic plastic material: implants for natural eyes

Family

Application60/264,179Us provisional application · filed 25 Jan 2001
Application60/283,856Us provisional application · filed 13 Apr 2001
Application60/337,343Us provisional application · filed 9 Nov 2001
Application10/021,795Parent of this continuation · filed 11 Dec 2001
US 2005/0055092 A1Pre-grant publication · published 10 Mar 2005
US 6,858,040 B2Parent of this continuation
US 2002/0116060 A1Published application
US 7,041,134 B2This patent

From the US filing history. Foreign family members aren’t listed.