IP Library › Granted Patent US 12,461,388
Granted Patent B2
US 12,461,388 · App. 18/389,701 · Granted Nov 4, 2025

Multi-region refractive lenses for vision treatment

Inventors: Robert Rosen (Groningen, NL); Franck Gounou (Groningen, NL)
Assignee: AMO Groningen B.V.
G02C7/06G02C7/022A61F2/1613
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Quick Facts
Patent No.
US 12,461,388
App. No.
18/389,701
Granted
Nov 4, 2025
Kind
B2
Abstract

Apparatuses, systems and methods for providing improved ophthalmic lenses, particularly intraocular lenses (IOLs), include features for vertex matching distance regions of such lenses. Exemplary ophthalmic lenses can include an optic disposed about an optical axis and having a refractive profile including a region having an add power and a first distance region and a second distance region extending outward from the first distance region and being vertex matched with the first distance region.

Claims (11)

1 . A method comprising:

fabricating an optic for an intraocular lens (IOL), the optic being disposed about an optical axis and having a refractive profile including a region having an add power and a first distance vision region and a second distance vision region extending outward from the first distance vision region and being vertex matched with the first distance vision region, wherein:

the first distance vision region, the region having the add power, and the second distance vision region form annular regions around the optical axis of the optic,

the first distance vision region is a central region of the optic that the optical axis extends through, and

the region having the add power is a near vision region positioned between, and adjacent to, the first distance vision region and the second distance vision region, wherein the second distance vision region extends outward from the near vision region; and

determining a vertex shift of the second distance vision region caused by the near vision region, and vertex matching the first distance vision region and the second distance vision region based on the determined vertex shift, wherein the second distance vision has a lesser power than the first distance vision region.

2 . The method of claim 1 , further comprising receiving an intraocular lens prescription, and fabricating the optic based on the intraocular lens prescription.

3 . The method of claim 2 , further comprising determining the refractive profile based on the intraocular lens prescription.

4 . The method of claim 1 , wherein a difference in power between the first distance vision region and the second distance vision region is less than the add power.

5 . The method of claim 1 , wherein the second distance vision region gradually decreases in power outward from the region having the add power.

6 . The method of claim 1 , wherein the optic is an extended depth of focus optic or a multifocal optic.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2023
From: ROSEN, ROBERT; GOUNOU, FRANCK
To: AMO GRONINGEN B.V.
Reel/Frame 065916/0834 →
Continuity (3)
Division 17103922 · Nov 24, 2020
Provisional Application 62955327 · Dec 30, 2019
Related Publication 20240118563A1 · Apr 11, 2024
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