IP Library Granted Patent US 7,438,412
Granted Patent B2
US 7,438,412 · App. 11/737,018 · Granted Oct 21, 2008

Colored contact lens with a more natural appearance

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Quick Facts
Patent No.
US 7,438,412
App. No.
11/737,018
Granted
Oct 21, 2008
Kind
B2
Abstract

A colored contact lens ( 10 ) having a non-opaque pupil section ( 20 ), an iris section ( 22 ) surrounding the pupil section ( 20 ), and a colored, opaque intermittent pattern made up of a plurality of elements located over the entire iris section ( 22 ) that leaves a substantial portion within the interstices of the pattern non-opaque, the pattern covering an effective amount of the iris section ( 22 ) to change the apparent color of the iris, the pattern having a plurality of portions, each of the portions being a different shade from each other portion, each of the portions overlapping each other portion at a plurality of points, thereby providing a lens ( 10 ) capable of changing the apparent color of the iris of a person wearing the lens ( 10 ) and imparting a very natural appearance.

Claims (30)

1. A contact lens, comprising:

a non-opaque pupil section;

an iris section surrounding the pupil section; and

a colored opaque intermittent pattern overlying about 20% of the iris section, wherein the colored opaque intermittent pattern comprises

an outermost starburst portion comprising dots of a first shade;

an outer starburst portion comprising dots of a second shade and overlapping at least a portion of the outermost starburst portion, wherein the first and second shades are different from one another; and

an inner starburst portion comprising dots of a third shade and overlapping at least a portion of the outer starburst portion, wherein the overlapping of the dots of the outer starburst portion and the inner starburst portion blend together to produce a fourth shade, wherein the overlapping of the dots of the outermost starburst and the outer starburst and the overlapping of the dots of the outer starburst and the inner starburst are indiscernible to an ordinary person, and wherein the contact lens is capable of changing the apparent color of the iris of the wearer of the lens while imparting a natural appearance.

2. The contact lens of claim 1 , wherein the dots are at least one of round, square, hexagonal, or elongated dots.

3. The contact lens of claim 1 , wherein the colored, opaque intermittent pattern further includes a plurality of interstices between the dots, wherein the interstices are non-opaque.

4. The contact lens of claim 3 , wherein the non-opaque interstices are translucently colored.

5. The contact lens of claim 3 , wherein the non-opaque interstices are uncolored.

6. The contact lens of claim 1 , wherein the first and third shades are the same color.

7. A contact lens, comprising:

a non-opaque pupil section;

an iris section surrounding the pupil section; and

a colored opaque intermittent pattern overlying no more than about 30% of the iris section, wherein the colored opaque intermittent pattern comprises

an outermost starburst portion comprising dots of a first shade, wherein the first shade includes the darkest color of the pattern;

an outer starburst portion comprising dots of a second shade and overlapping at least a portion of the outermost starburst portion, wherein the first and second shades are different from one another; and

an inner starburst portion comprising dots of a third shade and overlapping at least a portion of the outer starburst portion, wherein the overlapping of the dots of the outer starburst portion and the inner starburst portion blend together to produce a fourth shade, wherein the overlapping of the dots of the outermost starburst and the outer starburst and the overlapping of the dots of the outer starburst and the inner starburst are indiscernible to an ordinary person, and wherein the contact lens is capable of changing the apparent color of the iris of the wearer of the lens while imparting a natural appearance.

8. The contact lens of claim 7 , further comprising an uneven border between each portion.

9. The contact lens of claim 7 , wherein the shade of the outermost starburst portion is at least one of black, gray, dark brown, and dark blue.

10. The contact lens of claim 7 , wherein the shade of the outer starburst portion is at least one of blue, gray brown, light blue, turquoise, violet, blue violet, aqua, yellow, and green.

11. A contact lens, comprising:

a non-opaque pupil section;

an iris section surrounding the pupil section; and

a colored opaque intermittent pattern overlying no more than about 30% of the iris section, wherein the colored opaque intermittent pattern comprises

an outermost starburst portion comprising dots of a first shade;

an outer starburst portion comprising dots of a second shade and overlapping at least a portion of the outermost starburst portion, wherein the first and second shades are different from one another; and

an inner starburst portion comprising dots of a third shade and overlapping at least a portion of the outer starburst portion, wherein the overlapping of the dots of the outer starburst portion and the inner starburst portion blend together to produce a fourth shade, wherein the overlapping of the dots of the outermost starburst and the outer starburst and the overlapping of the dots of the outer starburst and the inner starburst are indiscernible to an ordinary person, wherein the contact lens is capable of changing the apparent color of the iris of the wearer of the lens while imparting a natural appearance, and wherein the shade of the inner starburst portion is at least one of hazel, yellow, yellow green, brown, yellow brown, gold, and orange.

12. The contact lens of claim 11 , wherein the dots of the outermost starburst portion extend to a periphery of the lens.

Assignments (2)
CONFIRMATORY DEED OF ASSIGNMENT EFFECTIVE APRIL 8, 2019 Recorded Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2008
From: WESLEY JESSEN CORPORATION
To: NOVARTIS AG
Reel/Frame 020478/0121 →