IP Library › Granted Patent US 12,534,623
Granted Patent B2
US 12,534,623 · App. 17/936,921 · Granted Jan 27, 2026

Contact lens with improved tear film optical quality

Inventors: John R. Buch (Jacksonville, FL); Jie Xu (St. Johns, FL); Patricia Martin (Jacksonville, FL); Shivkumar Mahadevan (Jacksonville, FL); Dawn D. Wright (St. Augustine, FL)
Assignee: Johnson & Johnson Vision Care, Inc.
C09B62/465A61L27/00C08F230/08C08L77/00C08L83/04G02B1/04G02B1/043G02C7/04G02C7/10C08K5/1545C08K5/45
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Quick Facts
Patent No.
US 12,534,623
App. No.
17/936,921
Granted
Jan 27, 2026
Kind
B2
Abstract

Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices. Such devices exhibit a number of desirable properties, including providing wearers with favorable optical quality.

Claims (17)

1 . A contact lens that is a free radical reaction product of a reactive mixture comprising:

one or more monomers suitable for making the contact lens;

a high energy visible (HEV) light absorbing compound; and

a polyamide internal wetting agent in an amount of up to eleven weight percent,

wherein the contact lens transmits from 0 percent to 70 percent of light having a wavelength range of 400 to 409 nm,

and wherein, in a population of wearers, wearers of the contact lens exhibit a mean Modulation Transfer Function (MTF) cutoff that is more than 5 percent greater than wearers of a control lens that transmits at least 90 percent of light across the wavelength range of 400 to 409 nm.

2 . The contact lens of claim 1 wherein the mean MTF cutoff of the contact lens is more than 6 percent greater than for wearers of the control lens.

3 . The contact lens of claim 1 wherein the mean MTF cutoff of the contact lens is about 6.6 percent greater than for wearers of the control lens.

4 . The contact lens of claim 1 wherein the reactive mixture contains less than 9 weight percent of the polyamide internal wetting agent.

5 . The contact lens of claim 1 that transmits from 0.2 percent to 70 percent of light having a wavelength range of 400 to 409 nm.

6 . The contact lens of claim 1 that transmits from 1 percent to 70 percent of light having a wavelength range of 400 to 409 nm.

7 . The contact lens of claim 1 that transmits 45 percent or less of light having a wavelength range of 280 to 399 nm.

8 . The contact lens of claim 1 that transmits at least 80 percent of light having a wavelength range of 450 to 800 nm.

9 . The contact lens of claim 1 that transmits: 45 percent or less of light having a wavelength range of 280 to 399 nm; from 1 percent to 70 percent of light having a wavelength range of 400 to 409 nm; and at least 80 percent of light having a wavelength range of 450 to 800 nm.

10 . The contact lens of claim 9 that transmits: from 10 percent to 95 percent of light having a wavelength range of 410 to 424 nm; and at least 50 percent of light having a wavelength range of 425 to 449 nm.

11 . The contact lens of claim 10 that transmits: 20 percent or less of light having a wavelength range of 280 to 399 nm; from 3 percent to 70 percent of light having a wavelength range of 400 to 409 nm; and at least 85 percent of light having a wavelength range of 450 to 800 nm.

12 . The contact lens of claim 1 wherein the monomer suitable for making the contact lens comprises a hydrophilic component, a silicone-containing component, or mixtures thereof.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 5, 2022
From: BUCH, JOHN R.; XU, JIE; MARTIN, PATRICIA; MAHADEVAN, SHIVKUMAR; WRIGHT, DAWN D.
To: JOHNSON & JOHNSON VISION CARE, INC.
Reel/Frame 061315/0456 →
Continuity (7)
Continuation In Part 17110443 · Dec 3, 2020
Continuation In Part 16938117 · Jul 24, 2020
Continuation 16268897 · Feb 6, 2019
Provisional Application 62893996 · Aug 30, 2019
Provisional Application 62691112 · Jun 28, 2018
Provisional Application 62637505 · Mar 2, 2018
Related Publication 20230066936A1 · Mar 2, 2023
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