# US 9,433,498 B2 · Anti-dysphotopic intraocular lens and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,433,498 B2 - Document ID: US9433498B2 - Status: Granted - Kind: B2 - Application number: 14/182,000 - Filed: 2014-02-17 - Published: 2014-06-12 - Granted: 2016-09-06 - Earliest claimed: 2011-04-11 - Applicants: Samuel Masket - Inventors: Samuel Masket - Web page: https://patentgrep.com/patent/US9433498B2 ## CPC - A61F 2/1648: {Multipart lenses} - A61F 2/1613: {having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus} - A61F 2/1694: {Capsular bag spreaders therefor} - A61F 2002/1699: {Additional features not otherwise provided for} - A61F 2220/0008: Fixation appliances for connecting prostheses to the body - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) ## Abstract An intraocular lens implant includes a lens having an anterior portion, a posterior portion, and a circumferential edge located therebetween. An annular notch is formed in the anterior portion and oriented in an anteriorly-directed orientation. ## Claims ### Claim 1 An intraocular lens implant for implantation within a capsular bag formed with a capsulorrhexis defining a capsulorrhexis edge, comprising: a lens having a convex anterior optical portion including a first convex portion and a second portion, and a posterior optical portion, the convex anterior optical portion and the posterior optical portion being located on opposite anterior and posterior sides, respectively, of a single circumferential edge of the lens, with the circumferential edge being positioned at and forming a single maximum diameter of the lens, the circumferential edge being defined by a single annular wall having an axial length and extending between an anterior edge and a posterior edge, with the anterior edge and the posterior edge being spaced apart by the length; an annular groove formed in the convex anterior optical portion between the first convex portion and the second portion and being defined by an anterior wall and a posterior wall, with the second portion extending radially inwardly from the anterior edge of the annular wall and the entire annular groove being positioned anteriorly of the annular wall and extending from a surface of the convex anterior optical portion and being configured to receive the capsulorrhexis edge, and a haptic member extending outwardly from the circumferential edge. ### Claim 2 (depends on 1) The intraocular lens of claim 1, wherein the posterior optical portion is convex. ### Claim 3 (depends on 2) The intraocular lens implant of claim 2, wherein the convex anterior and convex posterior optical portions are symmetric. ### Claim 4 (depends on 1) The intraocular lens implant of claim 1, further comprising: at least two haptic members extending radially away from the lens. ### Claim 5 (depends on 4) The intraocular lens implant of claim 4, wherein the at least two haptic members radially extend from the circumferential edge and lie in a common plane. ### Claim 6 (depends on 5) The intraocular lens implant of claim 5, wherein the common plane resides along the circumferential edge. ### Claim 7 (depends on 1) The intraocular lens implant of claim 1, wherein the annular groove is positioned about 0.2 mm to about 1 mm anteriorly of the circumferential edge. ### Claim 8 (depends on 1) The intraocular lens implant of claim 1, wherein the posterior wall of the annular groove lies, in cross-section, on a plane that is disposed at an angle relative to a horizontal plane that is perpendicular to an optical axis of the lens from about 10° to about 25°. ### Claim 9 (depends on 1) The intraocular lens implant of claim 1, wherein the anterior wall of the annular groove lies, in cross-section, on a plane that is disposed at an angle relative to a horizontal plane that is perpendicular to an optical axis of the lens from about 0° to about 10°. ### Claim 10 An intraocular lens implant for implantation within a capsular bag formed with a capsulorrhexis defining a capsulorrhexis edge, comprising: a lens having a convex anterior optical portion including a first convex portion and second portion, and a posterior optical portion, the convex anterior optical portion and the posterior optical portion being located on opposite anterior and posterior sides, respectively, of a single circumferential edge of the lens, with the circumferential edge being positioned at and forming a single maximum diameter of the lens, the circumferential edge being defined by a single annular wall having an axial length and extending between an anterior edge and a posterior edge, with the anterior edge and the posterior edge being spaced apart by the length; at least two haptic members extending radially away from the lens and configured to lie within a common plane; and an annular groove formed in the convex anterior optical portion between the first convex portion and the second portion and being defined by an anterior wall and a posterior wall, with the second portion extending radially inwardly from the anterior edge of the annular wall and the entire annular groove being positioned anteriorly of the annular wall and extending in an anteriorly-directed orientation from a surface of the convex anterior optical portion and being configured to receive the capsulorrhexis edge. ### Claim 11 (depends on 10) The intraocular lens of claim 10, wherein the posterior optical portion is convex. ### Claim 12 (depends on 11) The intraocular lens implant of claim 11, wherein the convex anterior and convex posterior optical portions are symmetric. ### Claim 13 (depends on 10) The intraocular lens implant of claim 10, wherein the common plane lies along the circumferential edge. ### Claim 14 (depends on 10) The intraocular lens implant of claim 10, wherein the annular groove is positioned about 0.2 mm to about 1 mm anteriorly of the circumferential edge. ### Claim 15 (depends on 10) The intraocular lens implant of claim 10, wherein the posterior wall of the annular groove lies, in cross-section, on a plane that is disposed at an angle relative to a horizontal plane that is perpendicular to an optical axis of the lens from about 10° to about 25°. ### Claim 16 (depends on 10) The intraocular lens implant of claim 10, wherein the anterior wall of the annular groove lies, in cross-section, on a plane that is disposed at an angle relative to a horizontal plane that is perpendicular to an optical axis of the lens from about 0° to about 10°. ### Claim 17 (depends on 1) The intraocular lens implant of claim 1, wherein the groove extends in an anteriorly-directed orientation. ### Claim 18 (depends on 1) The intraocular lens implant of claim 1, wherein the posterior wall extends in an anteriorly-directed orientation. ### Claim 19 (depends on 1) The intraocular lens implant of claim 1, wherein each of the anterior wall and the posterior wall extends in an anteriorly-directed orientation. ### Claim 20 (depends on 10) The intraocular lens implant of claim 10, wherein the posterior wall extends in an anteriorly-directed orientation. ### Claim 21 (depends on 10) The intraocular lens implant of claim 10, wherein each of the anterior wall and the posterior wall extends in an anteriorly-directed orientation. ### Claim 22 (depends on 2) The intraocular lens implant of claim 2, wherein the convex anterior and convex posterior optical portions are asymmetric. ### Claim 23 (depends on 11) The intraocular lens implant of claim 11, wherein the convex anterior and convex posterior optical portions are asymmetric.