Anterior corneal shapes and methods of providing the shapes
First Claim
Patent Images
1. A method of treatment for presbyopia of an eye, comprising:
- positioning a corneal inlay within the cornea, the corneal inlay having a diameter of about 1 mm to about 3 mm and smaller than a diameter of a pupil of the eye, the corneal inlay having an anterior surface comprising a corrective portion with a single radius of curvature, the corrective portion including an apex of the anterior surface; and
altering a shape of an anterior surface of a cornea with the corneal inlay, the altered shape including a central near region for near vision and an intermediate region for intermediate vision that is peripheral to the central near region; and
maintaining distance vision in a peripheral region that is peripheral to the intermediate region,wherein altering the shape of the anterior surface of a cornea with the corneal inlay comprises creating a central elevation change, and wherein the corneal inlay has a central thickness that is 3-7 times the central elevation change.
3 Assignments
0 Petitions
Accused Products
Abstract
Methods of treating presbyopia of an eye. A corneal inlay is inserted within the cornea such that the central thickness of the corneal inlay is 3 to 7 times a central elevation change.
434 Citations
11 Claims
-
1. A method of treatment for presbyopia of an eye, comprising:
-
positioning a corneal inlay within the cornea, the corneal inlay having a diameter of about 1 mm to about 3 mm and smaller than a diameter of a pupil of the eye, the corneal inlay having an anterior surface comprising a corrective portion with a single radius of curvature, the corrective portion including an apex of the anterior surface; and altering a shape of an anterior surface of a cornea with the corneal inlay, the altered shape including a central near region for near vision and an intermediate region for intermediate vision that is peripheral to the central near region; and maintaining distance vision in a peripheral region that is peripheral to the intermediate region, wherein altering the shape of the anterior surface of a cornea with the corneal inlay comprises creating a central elevation change, and wherein the corneal inlay has a central thickness that is 3-7 times the central elevation change. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
Specification