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EP-4737877-A2 - INTRAOCULAR PSEUDOPHAKIC CONTACT LENS WITH MECHANISM FOR SECURING BY ANTERIOR LEAFLET OF CAPSULAR WALL AND RELATED SYSTEM

EP4737877A2EP 4737877 A2EP4737877 A2EP 4737877A2EP-4737877-A2

Abstract

An apparatus includes an intraocular pseudophakic contact lens (100, 400, 600, 900, 1100, 1300, 1400, 1600, 1900, 2216). The intraocular pseudophakic contact lens includes an optical lens (102, 402, 602, 902, 1102, 1302, 1402, 1602, 1902) configured to at least partially correct a residual refractive error in an eye (2200). The residual refractive error includes a refractive error that exists in the eye after implantation of an artificial intraocular lens (2210) in the eye. The intraocular pseudophakic contact lens also includes one or more haptics (104a-104b, 404a-404b, 604a-604b, 904a-904b, 1104a-1104b, 1304a-1304c, 1404a-1404b, 1604a-1604b, 1904a-1904b) configured to be inserted under an anterior leaflet (2218) of a capsular wall in the eye in order to capture and confine the one or more haptics under the anterior leaflet and secure the intraocular pseudophakic contact lens against the artificial intraocular lens.

Inventors

  • CADY, Kevin J.

Assignees

  • Onpoint Vision, Inc.

Dates

Publication Date
20260506
Application Date
20180607

Claims (11)

  1. An apparatus comprising: an intraocular pseudophakic contact lens (1400, 1600, 1900) comprising: an optical lens (1402, 1602, 1902) configured to alter light passing through the intraocular pseudophakic contact lens (1400, 1600, 1900); and at least three haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) extending radially from the optical lens (1402, 1602, 1902) and configured to be inserted under an anterior leaflet of a capsular wall in an eye in order to capture and confine the at least three haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) under the anterior leaflet and secure the intraocular pseudophakic contact lens (1400, 1600, 1900) against an artificial intraocular lens (2210).
  2. The apparatus of Claim 1, wherein: anterior surfaces of the haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) comprise capsular wall-engaging surfaces configured to contact an inner capsular wall surface of the anterior leaflet, the capsular wall-engaging surfaces configured to promote confinement, capture, or attachment of the haptics (1404a-1404b, 1604a-1604b, 1904a-1904b); and posterior surfaces of the haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) comprise ridges (1410, 1610, 1910) configured to capture at least one edge of the artificial intraocular lens (2210) and maintain the intraocular pseudophakic contact lens (1400, 1600, 1900) in place.
  3. The apparatus of Claim 1, wherein: each of the haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) comprises a ridge (1410, 1610, 1910); and the ridges (1410, 1610, 1910) are configured to capture at least one edge of the artificial intraocular lens (2210) and maintain the intraocular pseudophakic contact lens (1400, 1600, 1900) in place.
  4. The apparatus of Claim 3, wherein each ridge (1410, 1610, 1910) comprises a lip projecting from the ridge (1410, 1610, 1910) and extending inward from the ridge (1410, 1610, 1910).
  5. The apparatus of Claim 1, wherein the intraocular pseudophakic contact lens (1400, 1600, 1900) further comprises: at least one pin extending downward from the optical lens (1402, 1602, 1902) of the intraocular pseudophakic contact lens (1400, 1600, 1900) or the at least three haptics of the intraocular pseudophakic contact lens (1400, 1600, 1900), the at least one pin configured to rest on or pierce an optical lens (2212) of the artificial intraocular lens (2210).
  6. The apparatus of Claim 1, wherein: the intraocular pseudophakic contact lens (1400, 1600, 1900) further comprises one or more projections extending from one or more sides of the optical lens (1402, 1602, 1902); and the at least three haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) are attached to or partially embedded within the one or more projections.
  7. The apparatus of Claim 1, wherein: the intraocular pseudophakic contact lens (1400, 1600, 1900) further comprises multiple segments positioned around the optical lens (1402, 1602, 1902); and a bottom surface of each of the segments is located below a posterior surface of the optical lens (1402, 1602, 1902).
  8. The apparatus of Claim 7, wherein the segments are configured to elevate the optical lens (1402, 1602, 1902) over the artificial intraocular lens (2210).
  9. A system comprising: an artificial intraocular lens (2210) comprising a first optical lens (2212) and first haptics (2214) configured to position the artificial intraocular lens (2210) in an eye; and the apparatus of any one of Claims 1-8, wherein the at least three haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) of the intraocular pseudophakic contact lens represent at least three second haptics.
  10. The system of Claim 9, wherein the artificial intraocular lens (2210) lacks predefined physical structures that couple to the intraocular pseudophakic contact lens (1400, 1600, 1900).
  11. The system of Claim 9, wherein the at least three second haptics (1404a-1404b, 1604a-1604b, 1904a-1904b) of the intraocular pseudophakic contact lens (1400, 1600, 1900) are smaller or shorter than the first haptics (2214) of the artificial intraocular lens (2210).

Description

TECHNICAL FIELD This disclosure relates generally to implantable optical devices. More specifically, this disclosure relates to an intraocular pseudophakic contact lens with a mechanism for securing by an anterior leaflet of a capsular wall and a related system and method. BACKGROUND In a normal human eye, light enters through the cornea and passes through the pupil, and the natural crystalline lens focuses the light onto the retina of the eye. However, due to cataracts or other problems, the natural crystalline lens of an eye may need to be replaced with an artificial intraocular lens (IOL). The term "pseudophakia" is used to describe an eye in which the natural crystalline lens has been replaced with an intraocular lens. Before an intraocular lens is placed into a patient's eye, a doctor or other personnel typically selects an intraocular lens that is designed to provide desired refractive correction for the patient's eye. For example, an intraocular lens could have an optical lens designed to correct myopia (near-sightedness), hyperopia (far-sightedness), astigmatism, or other refractive errors that occur naturally in the patient's eye. However, it is often the case that the intraocular lens selected for a patient's eye does not fully correct (and may even cause) some form of refractive error in the patient's eye. This refractive error is referred to as "residual" refractive error. There are various conventional options for correcting residual refractive error, all of which have their disadvantages. For example, one intraocular lens in a patient's eye could be replaced with a different intraocular lens, but this typically has a high risk of surgical complications. Ablation surgery (such as LASIK) on the cornea of a patient's eye could be done to correct residual refractive error, but this can have a high level of unwanted side effects, particularly for older patients. An additional intraocular lens (often referred to as a "piggyback" IOL) could be inserted in front of an existing intraocular lens, but this is typically an invasive procedure with less predictability associated with the final refractive outcome. In addition, intracorneal lenses (ICLs) can be inserted into the cornea of a patient's eye, but this is often more invasive and has a high degree of rejection. In general, the above procedures are typically not predictable and have a higher degree of surgical risk. Also, the devices used in the above procedures are difficult to remove and "reverse" any residual refractive error, resulting in a higher risk of leaving the patient with induced visual aberration. SUMMARY This disclosure provides an intraocular pseudophakic contact lens with a mechanism for securing by an anterior leaflet of a capsular wall and a related system and method. In a first embodiment, an apparatus includes an intraocular pseudophakic contact lens. The intraocular pseudophakic contact lens includes an optical lens configured to at least partially correct a residual refractive error in an eye. The residual refractive error includes a refractive error that exists in the eye after implantation of an artificial intraocular lens in the eye. The intraocular pseudophakic contact lens also includes one or more haptics configured to be inserted under an anterior leaflet of a capsular wall in the eye in order to capture and confine the one or more haptics under the anterior leaflet and secure the intraocular pseudophakic contact lens against the artificial intraocular lens. In a second embodiment, a system includes an artificial intraocular lens and an intraocular pseudophakic contact lens. The intraocular pseudophakic contact lens includes an optical lens configured to at least partially correct a residual refractive error in an eye. The residual refractive error includes a refractive error that exists in the eye after implantation of the artificial intraocular lens in the eye. The intraocular pseudophakic contact lens also includes one or more haptics configured to be inserted under an anterior leaflet of a capsular wall in the eye in order to capture and confine the one or more haptics under the anterior leaflet and secure the intraocular pseudophakic contact lens against the artificial intraocular lens. In a third embodiment, a system includes an artificial intraocular lens and an intraocular pseudophakic contact lens. The artificial intraocular lens includes a first optical lens and first haptics configured to position the artificial intraocular lens in an eye. The intraocular pseudophakic contact lens includes a second optical lens configured to at least partially correct a residual refractive error in the eye. The residual refractive error includes a refractive error that exists in the eye after implantation of the artificial intraocular lens in the eye. The intraocular pseudophakic contact lens also includes second haptics configured to be inserted under an anterior leaflet of a capsular wall in the eye in order to capture and c