IP Library › Granted Patent US 12,232,952
Granted Patent B2
US 12,232,952 · App. 16/693,860 · Granted Feb 25, 2025

Ophthalmic implants with extended depth of field and enhanced distance visual acuity

Inventors: Candido Dionisio Pinto (Monrovia, CA); Constance Elizabeth Fay (Pasadena, CA)
Assignee: STAAR Surgical Company
A61F2/164A61F2/1602A61F2/1613A61F2/1618A61F2/1621A61F2/1643A61F2/1645G02C7/028A61F2002/1681
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Quick Facts
Patent No.
US 12,232,952
App. No.
16/693,860
Granted
Feb 25, 2025
Kind
B2
Abstract

A lens configured for implantation into an eye of a human can include an optic including transparent material. The optic can have an anterior surface and a posterior surface. The anterior surface can be convex and the posterior surface can be concave such that the optic is meniscus shaped. Each of the convex anterior surface and the concave posterior surface can have a surface vertex. The optic can have an optical axis through the surface vertices and a thickness along the optical axis that is between about 100-700 micrometers. The lens can also include haptic portions disposed about the optic to affix the optic in the eye when implanted therein. The anterior and posterior surfaces can include aspheric surfaces.

Claims (28)

1. A first lens and a second lens, together defining a lens pair, configured for implantation into a first eye and a second eye, respectively, of a subject to provide modified monovision, comprising:

the first lens configured to have extended depth of field, the first lens comprising:

an optic comprising transparent material, the optic of the first lens having an anterior surface and a posterior surface, the anterior surface comprising an aspheric surface,

wherein the anterior and posterior surfaces of said first lens are shaped to provide average modulation transfer function (MTF) values that are between 0.1 and 0.4 at 100 lines per millimeter for at least 90% of vergences within the range of 0 to 2.0 diopter (“D”) or 0 to 2.5 D when said optic of said first lens is inserted into a model eye having an aperture size from 4 to 6 millimeters,

wherein said average MTF values of said first lens comprise MTF values at 100 lines per millimeter integrated over the wavelengths between about 400 to 700 nm weighted by the photopic luminosity function for on axis objects, and

the second lens configured to have extended depth of field, the second lens comprising:

an optic comprising transparent material, said optic of said second lens having an anterior surface and a posterior surface, said anterior surface comprising an aspheric surface,

wherein the anterior and posterior surfaces of said second lens are shaped to provide average modulation transfer function (MTF) values that are between 0.1 and 0.4 at 100 lines per millimeter for at least 90% of vergences within the range of −2.0 to 0 D or −2.5 to 0 D when said optic of said second lens is inserted into the model eye having an aperture size from 4 to 6 millimeters,

wherein said average MTF values of said second lens comprise MTF values at 100 lines per millimeter integrated over the wavelengths between about 400 to 700 nm weighted by the photopic luminosity function for on axis objects,

such that when the first and second lenses are implanted in a first eye and a second eye, respectively, of a subject, the extended depth of field of the first lens provides the subject an extended depth of field in the direction of nearer objects, and the extended depth of field of the second lens provides the subject an extended depth of field in the direction of more distant objects.

2. The lens pair of claim 1 , wherein the aggregate depth of field provided by the first and second lenses is greater than the depth of field provided by the first lens or the second lens alone.

3. The lens pair of claim 1 , wherein the model eye is selected from the groups consisting of a Liou-Brennan model eye, a Badal model eye, an Arizona model eye, and an Indiana model eye.

4. The lens pair of claim 1 , wherein said modulation transfer function values of the first lens or the second lens are provided when said optic of the first lens or the second lens is inserted in the model eye in a phakic configuration.

5. The lens pair of claim 1 , wherein the modulation transfer function values of the first lens or the second lens are provided when the optic of the first lens or the second lens is inserted in the model eye in an aphakic configuration.

6. The lens pair of claim 1 , wherein one or more of the first lens and the second lens comprises haptic portions.

7. The lens pair of claim 1 , wherein the optic of the first lens or the second lens has an optical axis and a thickness through the optical axis that is between about 100-700 microns.

8. The lens pair of claim 1 , wherein the optic of the first lens or the second lens has an optical axis and a thickness through the optical axis that is between about 700 microns and 4 millimeters.

9. The lens pair of claim 8 , wherein the optic of the first lens or the second lens has a thickness along the optical axis that is between about 700 microns and 2 millimeters.

10. The lens pair of claim 1 , wherein the aperture size is 6 millimeters.

11. The lens pair of claim 1 , wherein the aperture size is 4 millimeters.

12. The lens pair of claim 1 , wherein the anterior and posterior surfaces of the first lens are shaped to provide average modulation transfer function (MTF) values that are between 0.1 and 0.4 at 100 lines per millimeter for at least 95% of vergences within the range of 0 to 2.0 D or 0 to 2.5 D.

13. The lens pair of claim 1 , wherein the anterior and posterior surfaces of the second lens are shaped to provide average modulation transfer function (MTF) values that are between 0.1 and 0.4 at 100 lines per millimeter for at least 95% of vergences within the range of −2.0 to 0 D or −2.5 to 0 D.

14. The lens pair of claim 1 , wherein the anterior and posterior surfaces of the first lens are shaped to provide modulation transfer functions (MTF) without phase reversal for at least 90% of vergences within the range of 0 to 2.0 D or 0 to 2.5 D when said optic is inserted into the model eye having an aperture size from 4 to 6 millimeters.

15. The lens pair of claim 14 , wherein the anterior and posterior surfaces of said first lens are shaped to provide modulation transfer functions (MTF) without phase reversal for at least 95% of vergences within the range of 0 to 2.0 D or 0 to 2.5 D when said optic is inserted into the model eye having an aperture size of 4 from 6 millimeters.

16. The lens pair of claim 1 , wherein the anterior and posterior surfaces of the second lens are shaped to provide modulation transfer functions (MTF) without phase reversal for at least 90% of vergences within the range of −2.0 to 0 D or −2.5 to 0 D when said optic is inserted into the model eye having an aperture size from 4 to 6 millimeters.

17. The lens pair of claim 16 , wherein anterior and posterior surfaces of said second lens are shaped to provide modulation transfer functions (MTF) without phase reversal for at least 95% of vergences within the range of −2.0 to 0 D or −2.5 to 0 D when said optic is inserted into the model eye having an aperture size from 4 to 6 millimeters.

18. The lens pair of claim 1 , wherein the first lens is adapted to be implanted in the subject's dominant eye, and the second lens is adapted to be implanted in the subject's non-dominant eye.

19. The lens pair of claim 1 , wherein the first lens is configured to correct distance vision, and the second lens is configured to correct near vision.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 24, 2020
From: PINTO, CANDIDO DIONISIO; FAY, CONSTANCE ELIZABETH
To: STAAR SURGICAL COMPANY
Reel/Frame 052491/0628 →
Continuity (5)
Continuation 14848082 · Sep 8, 2015
Provisional Application 62149481 · Apr 17, 2015
Provisional Application 62048705 · Sep 10, 2014
Provisional Application 62048135 · Sep 9, 2014
Related Publication 20200085567A1 · Mar 19, 2020
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