Soft contact lens comprising a lenticular in a superior portion of the contact lens with enhanced tear exchange

Patent metadata

Field	Value
Publication number	US-11320673-B2
Application number	US-201816642982-A
Country	US
Kind code	B2
Filing date	Aug 31, 2018
Priority date	Sep 1, 2017
Publication date	May 3, 2022
Grant date	May 3, 2022

Abstract

Disclosed herein is a soft contact lens comprising a lenticular in a superior portion of the contact lens wherein the contact lens attaches to an upper eyelid of a wearer by the lenticular interacting with an upper tarsal plate of the upper eyelid of a wearer, wherein the contact lens is configured to provide one or more of an enhanced tear exchange, a greater tear layer thickness, or increased oxygen uptake of a cornea of a wearer.

First claim

What is claimed is:

1. A soft contact lens comprising:
a superior portion of the contact lens;
a lenticular located in the superior portion of the contact lens, wherein the contact lens attaches to an upper eyelid of a wearer by the lenticular interacting with an upper tarsal plate of an upper eyelid of a wearer, said interaction allowing the contact lens to translate upwards in downgaze; and
an inferior portion of the contact lens, wherein the contact lens is configured to provide one or more of an enhanced tear exchange, a greater tear layer thickness, or increased oxygen uptake of a cornea of a wearer,
wherein the lenticular is configured to allow the contact lens to move up to and including 1.5 mm in any direction when the contact lens is attached to the upper eyelid of the wearer by the lenticular interacting with the upper tarsal plate of the upper eyelid of a wearer.

2. The soft contact lens of claim 1 , wherein the lenticular has a top surface, said top surface having a shape selected from the group consisting of flat, flat with rounded corners, concave, convex or tapered having a thicker portion closer to an edge of the contact lens, or combinations thereof.

3. The soft contact lens of claim 1 , wherein the lenticular is comprised of a plurality of lenticular sections located in the superior portion of the contact lens.

4. The soft contact lens of claim 1 , wherein the lenticular is anatomically-shaped.

5. The soft contact lens of claim 4 , wherein the anatomical shape of the lenticular is designed to fit within Kessing's Space of the wearer's upper eyelid.

6. The soft contact lens of claim 1 , wherein the contact lens is configured to provide the one or more of the enhanced tear exchange, the greater tear layer thickness, or the increased oxygen uptake of a cornea of the wearer by the contact lens having a shallow sagittal depth.

7. The soft contact lens of claim 6 , wherein the shallow sagittal depth comprises a sagittal depth that is less than a sagittal depth of a conventional soft contact lens.

8. The soft contact lens of claim 1 , wherein the contact lens is configured to provide the one or more of the enhanced tear exchange, the greater tear layer thickness, or the increased oxygen uptake of a cornea of the wearer by the contact lens having one or more grooves in a surface of the contact lens that is in contact with the wearer's eye.

9. The soft contact lens of claim 1 , wherein the contact lens is configured to provide the one or more of the enhanced tear exchange, the greater tear layer thickness, or the increased oxygen uptake of a cornea of the wearer by the contact lens having one or more holes and/or slits in the contact lens.

10. The soft contact lens of claim 1 , wherein the lens is comprised of a material that can sense light activity or molecules in the ocular environment and that contains elements that modulate light or the surrounding ocular environment.

11. The soft contact lens of claim 1 , wherein the lenticular interacting with the upper tarsal plate of the upper eyelid of a wearer comprises the lenticular interacting with the upper tarsal plate of the upper eyelid of a wearer to provide centration and rotational stability.

12. The soft contact lens of claim 1 , wherein the lenticular comprises between 10% and 50% of an area between an upper edge of the contact lens and a geometric center of the contact lens.

13. The soft contact lens of claim 1 , wherein the lenticular comprises a relatively thick edge of the contact lens in the superior portion of the contact lens that interacts with a margin of the upper eyelid.

14. The soft contact lens of claim 13 , wherein the relatively thick area comprises a thickest portion that is 2 to 10 times thicker than any remaining portion of the contact lens.

15. The soft contact lens of claim 1 , wherein the contact lens further comprises a base down prism located at least partially in the inferior portion of the contact lens.

16. The soft contact lens of claim 15 , wherein the base down prism comprises a thicker base of the inferior portion of the contact lens.

17. The soft contact lens of claim 15 , wherein the prism portion provides a change in power from a central optic zone of the contact lens.

18. The soft contact lens of claim 15 , wherein an edge of the upper eyelid squeezes the thicker base of the base down prism downwards with each blink.

19. The soft contact lens of claim 15 , wherein the thicker base of the base down prism also interacts with a lower eyelid with each blink, so that the thicker base of the base down prism remains above a margin of the lower eyelid.

20. The soft contact lens of claim 15 , wherein the thicker base of the base down prism does not slide more than 2 mm behind the lower eyelid, when in the patient is looking straight ahead and/or downwards when the eye is open and during a blink.

21. The soft contact lens of claim 1 , wherein the contact lens is used to treat ametropia, presbyopia, other accommodative disorders, or a binocular vision disorder.

22. The soft contact lens of claim 1 , wherein the contact lens is used to display an electronically-generated and/or other virtual optically-displayed image.

23. The soft contact lens of claim 1 , wherein the lenticular is one of 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, or 5.0 millimeters away from an outer edge of the superior portion of the contact lens.

Assignees

• Ohio State Innovation Foundation

Inventors

• Bailey Melissa
• Barr Joseph T

Classifications

• G02C7/048

  Means for stabilising the orientation of lenses in the eye · CPC title

• G02C7/047

  Contact lens fitting; Contact lenses for orthokeratology; Contact lenses for specially shaped corneae · CPC title

• G02C7/049 Primary

  Contact lenses having special fitting or structural features achieved by special materials or material structures · CPC title

• G02C7/043 Primary

  Translating type · CPC title