Intraocular pseudophakic contact lens with securing mechanism by anterior leaflet of crystalline capsule wall and related system and method

Abstract

To provide an intraocular pseudophakic contact lens with a securing mechanism by an anterior leaflet of a crystalline capsule wall and a related system and method.SOLUTION: 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 ametropia in an eye. The residual ametropia includes an ametropia 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 crystalline capsule 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.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present disclosure generally relates to implantable optical devices, and more particularly to an intraocular pseudophakic contact lens having a fixation mechanism by the anterior apex of the lens capsule wall, and related systems and methods.

Background Art

[0002] In a normal human eye, light enters through the cornea, passes through the pupil, and the natural lens focuses the light onto the retina of the eye. However, due to cataracts and other problems, it may be necessary to replace the natural lens of the eye with an artificial intraocular lens (IOL). The term "pseudophakia" is used to represent an eye in which the natural lens has been replaced by an intraocular lens.

[0003] Before placing an intraocular lens in a patient's eye, a physician or other practitioner typically selects an intraocular lens designed to provide the desired refractive correction to the patient's eye. For example, an intraocular lens can use an optical lens designed to correct myopia (nearsightedness), hyperopia (farsightedness), astigmatism, or other refractive abnormalities that occur naturally in the patient's eye. However, it is common for some refractive abnormality of the patient's eye not to be completely corrected (or even caused) by the intraocular lens selected for the patient's eye. This refractive abnormality is called a "residual" refractive abnormality.

[0004] As methods for correcting residual refractive anomalies, there have been various methods so far, all of which have drawbacks. For example, it is possible to replace one intraocular lens in a patient's eye with another intraocular lens, but usually, the risk of surgical complications increases. It is also possible to perform an ablation surgery (such as LASIK) on the patient's eye's cornea to correct the residual refractive anomaly, but especially for elderly patients, undesirable side effects may occur at a high level. It is also possible to insert an additional intraocular lens (often referred to as a "piggyback" IOL) in front of the existing intraocular lens, but usually, it is an invasive procedure with low predictability regarding the final refractive result. It is also possible to insert an intracorneal lens (ICL) into the patient's eye's cornea, but in many cases, it is highly invasive and has a high rejection rate. Generally, the above procedures are usually unpredictable and have a high surgical risk. Also, with the devices used in the above procedures, it is difficult to remove or "reverse" the residual refractive anomaly, and as a result, the risk of leaving induced visual abnormalities in the patient is high.

Summary of the Invention

[0005] According to the present disclosure, an intraocular pseudophakic contact lens having a fixation mechanism by the anterior tip of the lens capsule wall, as well as related systems and methods, are provided.

[0006] In a first embodiment, the device comprises an intraocular pseudophakic contact lens. This intraocular pseudophakic contact lens includes an optical lens configured to at least partially correct the residual refractive anomaly of the eye. The residual refractive anomaly includes refractive anomalies present in the eye after implanting an artificial intraocular lens into the eye. The intraocular pseudophakic contact lens also includes one or more haptics configured to be inserted under the anterior tip of the lens capsule wall of the eye to capture and confine one or more haptics under the anterior tip to fix the intraocular pseudophakic contact lens relative to the artificial intraocular lens.

[0007] In the second embodiment, the system includes an intraocular lens and an intraocular pseudophakic contact lens. The intraocular pseudophakic contact lens includes an optical lens configured to at least partially correct residual refractive errors of the eye. Residual refractive errors include refractive errors present in the eye after implantation of the intraocular lens into the eye. The intraocular pseudophakic contact lens also includes one or more haptic portions configured to be inserted under the anterior tip of the lens capsule wall of the eye to capture and confine one or more haptic portions under the anterior tip to fix the intraocular pseudophakic contact lens to the intraocular lens.

[0008] In the third embodiment, the system includes an intraocular lens and an intraocular pseudophakic contact lens. The intraocular lens includes a first optical lens and a first haptic portion configured to dispose the intraocular lens within the eye. The intraocular pseudophakic contact lens includes a second optical lens configured to at least partially correct residual refractive errors of the eye. Residual refractive errors include refractive errors present in the eye after implantation of the intraocular lens into the eye. The intraocular pseudophakic contact lens also includes a second haptic portion configured to be inserted under the anterior tip of the lens capsule wall of the eye to capture and confine the second haptic portion under the anterior tip to fix the intraocular pseudophakic contact lens to the intraocular lens. The intraocular pseudophakic contact lens further includes a plurality of segments disposed around the second optical lens. The bottom surface of each segment is located below the rear surface of the second optical lens of the intraocular pseudophakic contact lens. The segments are configured to lift the optical lens above the intraocular lens.

[0009] Other technical features will be readily apparent to those skilled in the art from the following drawings, description, and claims.

[0010] To more fully understand the present disclosure and its features, reference is made to the following description in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0011]

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Mode for Carrying Out the Invention

[0012] The FIGS. 1 to 23 discussed below and the various embodiments used in this patent document to explain the principles of the present invention are merely illustrative and should in no way be construed as limiting the scope of the invention. It will be understood by those skilled in the art that the principles of the present invention can be realized in any appropriately configured device or system.

[0013] The present disclosure provides various intraocular pseudophakic contact lenses (IOPCLs) that can be used in combination with an intraocular lens (IOL). An intraocular pseudophakic contact lens is generally a contact lens type device that can be implanted into a patient's eye and placed on the front surface of an intraocular lens within the patient's eye. The intraocular pseudophakic contact lens substantially corrects residual refractive abnormalities that exist after implantation of an intraocular lens, such as after a phacoemulsification (cataract) procedure. Further, the intraocular pseudophakic contact lens includes a haptic or other mechanism that allows the anterior tip of the patient's eye's lens capsule wall to enclose / capture the intraocular pseudophakic contact lens. In some cases, this haptic or other mechanism actually attaches to the anterior tip of the lens capsule wall through fibrosis during the healing process and helps to fix the intraocular pseudophakic contact lens in place.

[0014] Unlike conventional approaches, the intraocular pseudophakic contact lens can be implanted with less surgical risk. Also, the intraocular pseudophakic contact lens allows the patient to see immediately after implantation of the intraocular pseudophakic contact lens. Further, if another lens is needed to correct residual refractive abnormalities, the intraocular pseudophakic contact lens can be easily exchanged and even removed if necessary. Additionally, techniques such as currently available intraoperative wavefront aberration measurement allow the refractive result to be measured during the actual procedure in which the intraocular pseudophakic contact lens is implanted and are useful for immediately identifying that the desired refractive target value has been obtained.

[0015] Figures 1-3 show an intraocular pseudophakic contact lens 100 of a first example according to the present disclosure. Specifically, FIG. 1 shows a perspective view of the intraocular pseudophakic contact lens 100, FIG. 2 shows a top view of the intraocular pseudophakic contact lens 100, and FIG. 3 shows a side view of the intraocular pseudophakic contact lens 100.

[0016] As shown in FIGS. 1 to 3, the intraocular pseudophakic contact lens 100 includes an optical lens 102. This optical lens 102 represents the part of the intraocular pseudophakic contact lens 100 that changes the light passing through the intraocular pseudophakic contact lens 100. The light passing through the optical lens 102 passes through the relevant intraocular lens before reaching the retina of the patient's eye.

[0017] The optical lens 102 can be formed from any suitable material such as silicone or acrylic. Also, the optical lens 102 can be formed by any suitable method, such as using a mold or a lathe cutting manufacturing process. By performing various designs and manufactures of the lenses 102, a wide range of visual acuity can be obtained, and each optical lens 102 can be designed to correct any suitable refractive anomaly. Examples of the types of refractive anomalies that can be corrected include myopia, hyperopia, and astigmatism.

[0018] The optical lens 102 of this example has a convex upper surface and a concave bottom surface. However, the optical lens 102 may have other suitable shapes that can (at least partially) depend on the type of refractive anomaly to be corrected. As a specific example, the optical lens 102 may be convex, concave, spherical, aspherical, annular, single focus, or multifocal. The specific lens platform used as the optical lens 102 of the intraocular pseudophakic contact lens 100 can be selected to perform the desired refractive correction on the patient's eye. The optical lens 102 can also include various other features as necessary or desired, such as when the optical lens 102 (such as the bottom of the optical lens 102) is weighted so that the optical lens 102 is oriented in the desired direction on the intraocular lens (as in the case of an annular platform), when the optical lens 102 is colored, when it is photochromic, or when it contains an ultraviolet (UV) absorber.

[0019] The plurality of haptic portions 104a to 104b extend from a plurality of side surfaces of the optical lens 102. The haptic portions 104a to 104b extend only a short distance from the optical lens 102 and have a size and shape that fit under the anterior apex of the patient's eye's lens capsule wall after implantation. Each of the haptic portions 104a to 104b can be formed from any suitable material by any suitable method. For example, each of the haptic portions 104a to 104b may be formed from the same material as the optical lens 102. Here, two haptic portions 104a to 104b are shown, but the intraocular contact lens 100 may include any number of haptic portions, including a single haptic portion. Also, note that the haptic portions 104a to 104b are bent downward, but the haptic portions 104a to 104b may be in any other suitable arrangement.

[0020] In this example, the haptic portions 104a to 104b are spaced apart from the optical lens 102 by protrusions or extensions 106 that project from the side surfaces of the optical lens 102. These extensions 106 are portions of the intraocular contact lens 100 that can embed the ends of the haptic portions 104a to 104b. Each of the extensions 106 can be formed from any suitable material by any suitable method. For example, each of the extensions 106 may be a part of the material forming the optical lens 102 and thus an extension of the optical lens 102 itself. However, this is not necessary. For example, the optical lens 102 may be integral with the extension 106, disposed within a retaining ring attached thereto, or the extension 106 may be fixed to the optical lens 102 itself using an adhesive or other suitable connection mechanism.

[0021] Although two extensions 106 are shown here, it should be noted that the intraocular pseudophakic contact lens 100 may have any number of extensions, including a single extension. It should also be noted that the extensions 106 may be absent, and the haptic portions 104a to 104b may be directly integrated with the optical lens 102. In these embodiments, although not necessarily so, the haptic portions 104a to 104b may be part of the material forming the optical lens 102. For example, the optical lens 102 may be integral with the haptic portions 104a to 104b, disposed within a retaining ring attached thereto, or the haptic portions 104a to 104b may be fixed to the optical lens 102 itself using an adhesive or other suitable connection mechanism.

[0022] Each of the haptic portions 104a to 104b has a textured surface 108 formed by various holes formed partially or completely through the haptic portions 104a to 104b in this example. This textured surface 108 causes the haptic portions 104a to 104b to be captured and confined by the anterior tips of the lens capsule wall of the patient's pseudophakic eye. In some cases, the textured surface 108 causes the haptic portions 104a to 104b to physically bond to the anterior tips of the lens capsule wall of the patient's eye through fibrosis or the like during the healing process. The haptic portions 104a to 104b are useful for fixing the intraocular pseudophakic contact lens 100 in a predetermined position on the intraocular lens. Note that the number and size of the holes in the textured surface 108 are merely examples, and the haptic portions 104a to 104b may include different numbers and sizes of holes. For example, the haptic portions 104a to 104b may have a large number of very small holes or other structures that form a texture that promotes confinement, capture, or attachment to the anterior tips of the lens capsule wall.

[0023] The anterior capsular flap of the patient's lens capsule is typically formed during capsulotomy, in which the patient's natural lens is removed and replaced with an intraocular lens. This anterior capsular flap is the outer portion of the front surface of the lens capsule that remains after an opening (called a capsulotomy) is formed in the lens capsule to allow removal of the natural lens. This may occur well before the intraocular pseudophakic contact lens 100 is implanted. After capsulotomy, the anterior capsular flap of the lens capsule typically shrinks and undergoes fibrosis during the healing process.

[0024] When the intraocular pseudophakic contact lens 100 is inserted into the patient's eye, the intraocular pseudophakic contact lens 100 can be positioned such that the haptic portions 104a - 104b extend below the anterior capsular flap of the patient's eye. As a result, the haptic portions 104a - 104b become trapped and confined by the anterior capsular flap. The haptic portions 104a - 104b may be physically attached to the anterior capsular flap over time, for example, by "refibrosis" of the anterior capsular flap. This tissue refibrosis binds to and covers some or all of the haptic portions 104a - 104b, further fixing the intraocular pseudophakic contact lens 100 in place. However, the implantation of the intraocular pseudophakic contact lens 100 may be performed in the same procedure as the implantation of an intraocular lens. In that case, the intraocular pseudophakic contact lens 100 may be fixed by the haptic portions 104a - 104b, possibly during fibrosis (not refibrosis) in the patient's eye.

[0025] Figures 4 - 5 show an intraocular pseudophakic contact lens 400 according to a second example of the present disclosure. Specifically, FIG. 4 shows a perspective view of the intraocular pseudophakic contact lens 400, and FIG. 5 shows a side view of the intraocular pseudophakic contact lens 400.

[0026] As shown in FIGS. 4 - 5, the intraocular pseudophakic contact lens 400 has various components that are the same as or similar to those forming the intraocular pseudophakic contact lens 100. For example, the intraocular pseudophakic contact lens 400 includes an optical lens 402, a plurality of haptic portions 404a - 404b, and, optionally, a plurality of extension portions 406. The haptic portions 404a - 404b have a textured surface 408.

[0027] In addition, the intraocular pseudophakic contact lens 400 also includes one or more pins 410. Each pin 410 projects downward from the extension portion 406 or from the inner ends of the haptic portions 404a - 404b. These one or more pins 410 can be used to pierce the front surface of the intraocular lens or to be placed on the front surface of the intraocular lens. In addition to the capture / confining of the haptic portions 404a - 404b by the anterior tip, these pins 410 are useful for further holding the intraocular pseudophakic contact lens 400 in a predetermined position and preventing the intraocular pseudophakic contact lens 400 from slipping. In some cases, by using the pins 410, it is possible to prevent the intraocular pseudophakic contact lens 400 from moving during the period immediately after implantation and before the haptic portions 404a - 404b of the intraocular pseudophakic contact lens 400 adhere to the anterior tip of the patient's eye's lens capsule wall (due to fibrosis, etc.).

[0028] Each pin 410 can be formed from any suitable material in any suitable manner. Although two pins 410 are shown here, the intraocular pseudophakic contact lens 400 may include any number of pins, including a single pin. Also, note that the pins 410 are shown here as having sharp ends, but this is not necessary. For example, the pins 410 may have a rounded surface or a non - pointed surface so that the pins 410 can be placed on the front surface of the intraocular lens without piercing it. Further, the pins 410 are shown here as extending through or being embedded within the extension portion 406, but they may be placed in other suitable positions. For example, the pins 410 may be moved to the outer ends of the haptic portions 404a - 404b, or additional pins 410 may be placed at the outer ends of the haptic portions 404a - 404b.

[0029] As described above, the implantation of the intraocular pseudophakic contact lens 400 can be performed during the same procedure as the implantation of the intraocular lens or during the next procedure after the intraocular lens has already been implanted in the patient's eye. By the anterior apex of the lens capsule wall of the patient's eye, the haptic portions 404a-404b of the intraocular pseudophakic contact lens 400 can be captured and confined below the anterior apex, and if necessary, fibrosis or re-fibrosis may occur in which the haptic portions 404a-404b are attached to the patient's eye. By using the pin 410, the intraocular pseudophakic contact lens 400 can be held in place.

[0030] Figs. 6-8 show an intraocular pseudophakic contact lens 600 according to a third example of the present disclosure. Specifically, Fig. 6 shows a perspective view of the intraocular pseudophakic contact lens 600, Fig. 7 shows a top view of the intraocular pseudophakic contact lens 600, and Fig. 8 shows a side view of the intraocular pseudophakic contact lens 600.

[0031] As shown in Figs. 6-8, the intraocular pseudophakic contact lens 600 includes an optical lens 602 that is the same as or similar to the above-described optical lenses 202, 402. The intraocular pseudophakic contact lens 600 also includes a plurality of haptic portions 604a-604b and, if necessary, a plurality of extension portions 606. Here, the haptic portions 604a-604b are formed by loops of a material such as metal or plastic. The ends of the haptic portions 604a-604b are embedded in the extension portions 606 in this example, but the extension portions 606 may be omitted and the haptic portions 604a-604b may be coupled to the optical lens 602 or a holding ring in which the optical lens 602 is disposed. Note that the haptic portions 604a-604b are angled downward, but may have other suitable arrangements. Each of the haptic portions 604a-604b may have a textured surface that facilitates confinement, capture, and attachment to the anterior apex of the lens capsule wall.

[0032] The implantation of the intraocular pseudophakic contact lens 600 can be performed during the same procedure as the implantation of the intraocular lens, or during the next procedure after the intraocular lens has already been implanted in the patient's eye. By the anterior tip of the lens capsule wall of the patient's eye, the haptic portions 604a to 604b of the intraocular pseudophakic contact lens 600 can be captured and confined below the anterior tip. Optionally, fibrosis or re-fibrosis that may cause the haptic portions 604a to 604b to be attached to the patient's eye can occur.

[0033] Figures 9 to 10 show an intraocular pseudophakic contact lens 900 according to a fourth example of the present disclosure. Specifically, FIG. 9 shows a perspective view of the intraocular pseudophakic contact lens 900, and FIG. 10 shows a side view of the intraocular pseudophakic contact lens 900.

[0034] As shown in FIGS. 9 to 10, the intraocular pseudophakic contact lens 900 has various components that are the same as or similar to those forming the intraocular pseudophakic contact lens 600. For example, the intraocular pseudophakic contact lens 900 includes an optical lens 902, a plurality of haptic portions 904a to 904b, and optionally, a plurality of extension portions 906. The haptic portions 904a to 904b extend a short distance from the optical lens 902 and form small loops sized and shaped to fit below the anterior tip of the lens capsule wall of the patient's eye after implantation. Each of the haptic portions 904a to 904b may have a textured surface that facilitates confinement, capture, and attachment to the anterior tip of the lens capsule wall.

[0035] In addition, the intraocular pseudophakic contact lens 900 also includes one or more pins 908. Each pin 908 projects downward from the extension portion 906 or from the inner ends of the haptic portions 904a - 904b. These one or more pins 908 can be used to pierce the front surface of the intraocular lens or to be placed on the front surface of the intraocular lens. In addition to the capture / confining of the haptic portions 904a - 904b by the anterior tips, these pins 908 are useful for further holding the intraocular pseudophakic contact lens 900 in a predetermined position and preventing the intraocular pseudophakic contact lens 900 from slipping. In some cases, by using the pins 908, it is possible to prevent the intraocular pseudophakic contact lens 900 from moving during the period immediately after implantation and before the haptic portions 904a - 904b of the intraocular pseudophakic contact lens 900 adhere to the anterior tips of the patient's lens capsule wall (due to fibrosis, etc.).

[0036] Each pin 908 can be formed from any suitable material and in any suitable manner. Although two pins 908 are shown here, the intraocular pseudophakic contact lens 900 may include any number of pins, including a single pin. Also, note that although the pins 908 are shown here as having sharp ends, this is not necessary. For example, the pins 908 may have a rounded or non - pointed surface so that the pins 908 can be placed on the front surface of the intraocular lens (without piercing). Further, although the pins 908 are shown here as extending through or being embedded within the extension portion 906, they may be placed in other suitable positions. For example, the pins 908 may be moved to the outer ends of the haptic portions 904a - 904b, or additional pins 908 may be placed at the outer ends of the haptic portions 904a - 904b.

[0037] The implantation of the intraocular pseudophakic contact lens 900 can be performed during the same procedure as the implantation of the intraocular lens or during the next procedure after the intraocular lens has already been implanted in the patient's eye. By the anterior tip of the patient's eye's lens capsule wall, the haptic portions 904a to 904b of the intraocular pseudophakic contact lens 900 can be captured and confined below the anterior tip. Optionally, fibrosis or re-fibrosis that can cause the haptic portions 904a to 904b to attach to the patient's eye may occur. By using the pins 908, the intraocular pseudophakic contact lens 900 can be held in a predetermined position.

[0038] Figures 11 to 12 show an intraocular pseudophakic contact lens 1100 according to a fifth example of the present disclosure. Specifically, FIG. 11 shows a perspective view of the intraocular pseudophakic contact lens 1100, and FIG. 12 shows a side view of the intraocular pseudophakic contact lens 1100.

[0039] As shown in FIGS. 11 to 12, the intraocular pseudophakic contact lens 1100 has various components that are the same as or similar to those forming the intraocular pseudophakic contact lens 900. For example, the intraocular pseudophakic contact lens 1100 includes an optical lens 1102, a plurality of haptic portions 1104a to 1104b, and optionally, a plurality of extension portions 1106. The haptic portions 1104a to 1104b extend a short distance from the optical lens 1102 and form small loops sized and shaped to fit below the anterior tip of the patient's eye's lens capsule wall after implantation. Each of the haptic portions 1104a to 1104b may have a textured surface that facilitates confinement, capture, and attachment to the anterior tip of the lens capsule wall.

[0040] In addition, the intraocular pseudophakic contact lens 1100 also includes one or more pins 1108. Each pin 1108 projects downward from the outer ends of the haptic portions 1104a - 1104b. Accordingly, the pins 1108 are disposed farther from the optical lens 1102 compared to the pins 908. This enables the intraocular pseudophakic contact lens 1100 to be used with a larger intraocular lens. Also, the pins 1108 can extend to or beyond the edge of the intraocular lens, which is useful for fixing the intraocular pseudophakic contact lens 1100 to the front surface or side surface of the intraocular lens, or for reducing the slippage of the intraocular pseudophakic contact lens on the intraocular lens.

[0041] The implantation of the intraocular pseudophakic contact lens 1100 can be performed during the same procedure as the implantation of the intraocular lens, or during the next procedure after the intraocular lens has already been implanted in the patient's eye. The haptic portions 1104a - 1104b of the intraocular pseudophakic contact lens 1100 can be captured and confined below the anterior apex of the patient's eye's lens capsule wall. Fibrosis or refibrosis that may occur in attaching the haptic portions 1104a - 1104b to the patient's eye can be addressed as needed. By using the pins 1108, the intraocular pseudophakic contact lens 1100 can be held in place.

[0042] FIG. 13 shows an intraocular pseudophakic contact lens 1300 according to a sixth example of the present disclosure. As shown in FIG. 13, the intraocular pseudophakic contact lens 1300 includes an optical lens 1302 and a plurality of haptic portions 1304a - 1304c. The optical lens 1302 may be the same as or similar to the various optical lenses described above.

[0043] In this example, the haptic portions 1304a to 1304c are formed by large protrusions extending from the side surface of the optical lens 1302, and these protrusions have a thickness that tapers towards their outer edges. This enables the haptic portions 1304a to 1304c to be easily inserted below the apex of the anterior capsule wall of the patient's eye. Each of the haptic portions 1304a to 1304c may have a textured surface, such as a number of holes or other structures, that facilitate confinement, capture, or attachment to the apex of the anterior capsule wall. Although three haptic portions 1304a to 1304c are shown here, other numbers of haptic portions may be used.

[0044] Figures 14 to 15 show an intraocular pseudophakic contact lens 1400 according to a seventh example of the present disclosure. Specifically, FIG. 14 shows a perspective view of the intraocular pseudophakic contact lens 1400, and FIG. 15 shows a cross-sectional view passing through the center of the intraocular pseudophakic contact lens 1400.

[0045] As shown in FIGS. 14 to 15, the intraocular pseudophakic contact lens 1400 includes an optical lens 1402 and a plurality of haptic portions 1404a to 1404b. The optical lens 1402 may be the same as or similar to the various optical lenses described above. Each of the haptic portions 1404a to 1404b may have a textured surface, such as a number of holes or other structures, that facilitate confinement, capture, or attachment to the apex of the anterior capsule wall.

[0046] In this example, the haptic portions 1404a - 1404b are formed by larger protrusions extending from the side surface of the optical lens 1402. Each of the haptic portions 1404a - 1404b has an inner portion 1406 connected to the optical lens 1402 and an outer portion 1408 connected to the inner portion 1406, effectively forming long "wings" extending from the optical lens 1402. The outer portion 1408 has a thickness that tapers towards the outer edge of the haptic portions 1404a - 1404b. This enables the haptic portions 1404a - 1404b to be easily inserted below the anterior tip of the patient's eye's lens capsule wall. In this example (although other forms are also possible), the inner portion 1406 protrudes outwardly and downwardly, while the outer portion 1408 protrudes outwardly and slightly upwardly. This shape allows the haptic portions 1404a - 1404b to extend below the anterior tip of the lens capsule wall while still being usable with a larger intraocular lens.

[0047] Each of the haptic portions 1404a - 1404b also includes a ridge portion 1410, and the plurality of ridge portions 1410 of the plurality of haptic portions 1404a - 1404b can capture one or more edges of the underlying intraocular lens. This enables the intraocular pseudophakic contact lens 1400 to be positioned at the center of the intraocular lens and to be held in a predetermined position on the intraocular lens during the healing process.

[0048] Figures 16 - 18 show an intraocular pseudophakic contact lens 1600 according to an eighth example of the present disclosure. Specifically, FIG. 16 shows a perspective view of the intraocular pseudophakic contact lens 1600, FIG. 17 shows a top view of the intraocular pseudophakic contact lens 1600, and FIG. 18 shows a cross-sectional view passing through the center of the intraocular pseudophakic contact lens 1600.

[0049] As shown in FIGS. 16 to 18, the intraocular pseudophakic contact lens 1600 has various components that are the same as or similar to those forming the intraocular pseudophakic contact lens 1400. For example, the intraocular pseudophakic contact lens 1600 includes an optical lens 1602 and a plurality of haptic portions 1604a to 1604b. The haptic portions 1604a to 1604b are formed by larger protrusions extending from the side surface of the optical lens 1602. Each of the haptic portions 1604a to 1604b has an inner portion 1606 connected to the optical lens 1602 (or the retaining ring in which the optical lens 1602 is disposed) and an outer portion 1608 connected to the inner portion 1606. This outer portion 1608 has a thickness that tapers towards the outer edge of the haptic portions 1604a to 1604b. This allows the haptic portions 1604a to 1604b to be easily inserted below the anterior apex of the patient's eye's lens capsule wall. In this example, both the inner portion 1606 and the outer portion 1608 protrude outwardly and straight (although other configurations are also possible). This shape allows the haptic portions 1604a to 1604b to extend below the anterior apex of the lens capsule wall while still being able to be used with larger intraocular lenses.

[0050] Each of the haptic portions 1604a to 1604b also includes a ridge 1610, and the plurality of ridges 1610 of the plurality of haptic portions 1604a to 1604b can capture one or more edges of the underlying intraocular lens. This enables the intraocular pseudophakic contact lens 1600 to be placed at the center of the intraocular lens and to be held in a predetermined position on the intraocular lens during the healing process.

[0051] Also, the intraocular pseudophakic contact lens 1600 herein includes a plurality of segments 1612 positioned along the side surface of the optical lens 1602. These segments 1612 are protrusions from the optical lens 1602, and at least a part of the segments 1612 may be connected to the haptic portions 1604a to 1604b (such as when the ends of the haptic portions 1604a to 1604b are embedded in the segments 1612). The segments 1612 extend downward such that the bottom surface of the segments 1612 is located below the optical lens 1602. As a result, when implanted in the patient's eye, the segments 1612 keep the optical lens 1602 separated from the intraocular lens below. Depending on the shape of the rear surface of the optical lens 1602 and the shape of the front surface of the intraocular lens below, the optical lens 1602 can be lifted onto the optical lens within the intraocular lens below so that the optical lenses do not contact each other.

[0052] Each segment 1612 can be formed from any suitable material and by any suitable method. For example, each segment 1612 may be part of the material forming the optical lens 1602 and thus an extension of the optical lens 1602 itself, although this is not necessarily the case. For example, the optical lens 1602 may be disposed within a retaining ring integrated with or attached to the segment 1612, or may be fixed to the optical lens 1602 itself using an adhesive or other suitable connection mechanism. Each segment 1612 may have any suitable size, shape, and dimensions. For example, the segment 1612 may be smaller or larger (compared to other structures) than those shown in FIGS. 16 to 18. As another example, the segment 1612 may have a curved structure leaving a small open area between the segment 1612 and the optical lens 1602, or may have a solid structure leaving no open area between the segment 1612 and the optical lens 1602.

[0053] The function of separating the optical lens 1602 from the underlying intraocular lens can produce various advantages. For example, by lifting the optical lens 1602 above the underlying intraocular lens, the amount of water flowing between the front surface of the intraocular lens and the rear surface of the optical lens 1602 can be increased. The increase in the water flow between the lenses reduces the amount of lens deposits on one or both of the lenses. Also, when water is present between the lenses, the optical system and image quality of the composite lens system can be improved. Furthermore, by providing more space between the lenses, the intraocular pseudophakic contact lens 1600 can be used with a wider range of intraocular lenses with varying anterior curvatures, enabling the intraocular pseudophakic contact lens 1600 to be used with a wider range of intraocular lens models and powers.

[0054] Figures 19 - 21 show the intraocular pseudophakic contact lens 1900 of the ninth example according to the present disclosure. Specifically, FIG. 19 shows a perspective view of the intraocular pseudophakic contact lens 1900, FIG. 20 shows a top view of the intraocular pseudophakic contact lens 1900, and FIG. 21 shows a cross-sectional view passing through the center of the intraocular pseudophakic contact lens 1900.

[0055] As shown in FIGS. 19 to 21, the intraocular pseudophakic contact lens 1900 has various components that are the same as or similar to those forming the intraocular pseudophakic contact lens 1600. For example, the intraocular pseudophakic contact lens 1900 includes an optical lens 1902 and a plurality of haptic portions 1904a to 1904b. The haptic portions 1904a to 1904b are formed by larger protrusions extending from the side surface of the optical lens 1902. Each of the haptic portions 1904a to 1904b has an inner portion 1906 connected to the optical lens 1902 (or the holding ring on which the optical lens 1902 is disposed) and an outer portion 1908 connected to the inner portion 1906. Further, each of the haptic portions 1904a to 1904b also includes a ridge portion 1910, and the plurality of ridge portions 1910 of the plurality of haptic portions 1904a to 1904b can capture one or more edges of the underlying intraocular lens. Furthermore, the intraocular pseudophakic contact lens 1900 includes a plurality of segments 1912 along the side surface of the optical lens 1902. These segments 1912 extend downward such that the bottom surface thereof is located below the optical lens 1902.

[0056] The haptic portions 1904a to 1904b in this example have a thicker outer portion 1908 with a larger ridge portion 1910 as compared to the corresponding components of the intraocular pseudophakic contact lens 1600. This enables the haptic portions 1904a to 1904b to be used with larger intraocular lenses. Further, each ridge portion 1910 has a lip portion 1911 that can facilitate the capture of the underlying intraocular lens. Each lip portion 1911 is any suitable inward protrusion from the corresponding ridge portion 1910.

[0057] Similarly, in this case, when implanted in the patient's eye, the segment 1912 is useful for keeping the optical lens 1902 separated from the intraocular lens below. Depending on the shape of the rear surface of the optical lens 1902 and the shape of the front surface of the intraocular lens below, the optical lens 1902 can be lifted onto the optical lens within the intraocular lens below so that the optical lenses do not contact each other. The function of separating the optical lens 1902 from the intraocular lens below can provide various advantages as described above for the intraocular phakic contact lens 1600.

[0058] In various conventional approaches, an "add-on" lens is fixed to the intraocular lens. However, in these conventional approaches, it is necessary to design a specific add-on lens for use with a specific intraocular lens or to design a specific intraocular lens for use with a specific add-on lens. That is, the add-on lens can only be used with a specific type of intraocular lens, and that intraocular lens is specially designed for use with that add-on lens. As a specific example, the add-on lens may include a haptic or other structure designed to fit with the corresponding structure of a specific intraocular lens, and the intraocular lens may have a recess designed to accommodate a specific type of add-on lens. This has several problems for several reasons. For example, since many patients already have an existing intraocular lens, it is unrealistic or dangerous to try to remove those existing intraocular lenses in order to implant a new intraocular lens designed for use with an add-on lens.

[0059] In the embodiments of the intraocular pseudophakic contact lens shown in FIGS. 1 to 21, the intraocular pseudophakic contact lens can be fixed on the intraocular lens by capturing and confining the haptic portion of the intraocular pseudophakic contact lens at the anterior tip of the lens capsule wall, thereby reducing these problems. In some cases, the haptic portion may be physically coupled to the anterior tip of the lens capsule wall through mechanisms such as fibrosis or refibrosis. In other words, the intraocular pseudophakic contact lens need not be designed to function specifically with a particular structure of a particular intraocular lens. The intraocular lens used with the intraocular pseudophakic contact lens need not have a predetermined structure provided for coupling with the intraocular pseudophakic contact lens. Rather, the intraocular pseudophakic contact lenses of FIGS. 1 to 21 can simply be sized such that when the intraocular pseudophakic contact lens is placed on the intraocular lens, it can be captured and confined (and in some cases, coupled) by the anterior tip of the lens capsule wall and thus fixed in a predetermined position. Thereby, the intraocular pseudophakic contact lenses of FIGS. 1 to 21 can be used with a wide variety of intraocular lenses, including different types of intraocular lenses and existing intraocular lenses already implanted in a patient. It is not necessary to remove the existing intraocular lens from the patient in order to attach a new intraocular lens and the intraocular pseudophakic contact lens.

[0060] Also, the intraocular pseudophakic contact lenses of FIGS. 1 to 21 can be easily removed from the patient's eye at any suitable timing, such as after implantation or before the haptic portion is coupled to the lens capsule wall (assuming that the intraocular pseudophakic contact lens is held in a predetermined position by fibrosis or refibrosis). Thereby, in particular, when different refractive corrections are required or desired, one intraocular pseudophakic contact lens can be removed and replaced with a different intraocular pseudophakic contact lens.

[0061] The various intraocular pseudophakic contact lenses described above may have any suitable size, shape, and dimensions. For example, intraocular pseudophakic contact lenses with diameters in the range of about 4 mm to about 6 mm are available. Also, intraocular pseudophakic contact lenses with varied base curvatures of the optical lens are available. Of course, it is also possible to custom-design an intraocular pseudophakic contact lens for a particular patient's eye, such as when one or more specific curvatures are required to correct the residual refractive error of the particular patient's eye.

[0062] The intraocular pseudophakic contact lenses disclosed herein can be non-invasively implanted into a patient's eye and can be easily positioned onto the intraocular lens. Since the intraocular pseudophakic contact lens is installed on the front surface of the intraocular lens, the implantation is non-invasive and is usually easily accessible by the surgeon and other personnel during the implantation procedure. The implantation is also non-invasive because the intraocular pseudophakic contact lens can be attached to the intraocular lens without the need to attach it to an anatomical structure within the patient's eye, such as a sulcus of the patient's eye.

[0063] The non-invasive implantation and easy positioning of the intraocular pseudophakic contact lens enable a safe and effective refractive surgery for correcting unwanted residual refractive errors, such as after lens extraction. As a refractive modality, the intraocular pseudophakic contact lens contributes to the surgeon's ability to improve the current refractive error of the pseudophakic patient in order to adjust the patient's vision and achieve a finely tuned desired refraction. Specific examples of this function include allowing adjustment of the patient's eye to achieve monovision, either unilaterally or bilaterally, inducing monocular myopia to enable intermediate and near vision functions, introducing multifocality, or treating unwanted residual astigmatism.

[0064] When the haptic portion of the intraocular pseudophakic contact lens includes a ridge portion along its bottom surface, the ridge portion enables the intraocular pseudophakic contact lens to be positioned at the center of the underlying intraocular lens as described above. When the intraocular pseudophakic contact lens includes three haptic portions associated with ridge portions, those ridge portions can perfectly position the intraocular pseudophakic contact lens at the center of the underlying intraocular lens. By such a method, the ridge portion of the haptic portion of the intraocular pseudophakic contact lens can capture the underlying intraocular lens with the ridge portion at the end, and the optical center of the intraocular pseudophakic contact lens can be perfectly aligned with the optical center of the intraocular lens. This alignment is useful for reducing or avoiding induced optical aberrations and induced prisms caused by misalignment of the optical center. Thereby, a powerful contribution benefit beyond conventional refractive fine-tuning modalities can be obtained.

[0065] In any of the above examples, the intraocular pseudophakic contact lens may be designed such that only the haptic portion of the intraocular pseudophakic contact lens extends below the anterior tip of the lens capsule wall of the patient's eye. Thereby, the optical lens of the intraocular pseudophakic contact lens can be freed and kept generally invisible by the surrounding tissues of the patient's eye, and the haptic portion can be captured and confined at the anterior tip.

[0066] Figures 1-21 show examples of intraocular pseudophakic contact lenses, but various modifications can be made to Figures 1-21. For example, any suitable combination of the features shown in Figures 1-21 can be used together in a single intraocular pseudophakic contact lens, regardless of whether a particular combination of features is shown in the figures or described above. As a specific example, any of the intraocular pseudophakic contact lenses shown in Figures 1-21 may include one or more pins at one or more desired positions, one or more ridge portions along the bottom surface of one or more haptic portions for capturing the intraocular lens and centering on the intraocular lens, and / or one or more lip portions to assist in capturing the intraocular lens. Also, each intraocular pseudophakic contact lens may include any suitable number of each component shown in any of the figures. The intraocular pseudophakic contact lenses are shown in the figures as having two or three haptic portions at equal intervals of 120° or 180°, but any number of haptic portions may be used (regardless of the presence or absence of related pins, ridge portions, lip portions, other structures). Furthermore, the forms of the haptic portions shown here are merely examples, and other suitable structures may be used to capture, confine, or attach to the anterior apex of the lens capsule wall of the patient's eye. Additionally, many other functions can be used at one or more locations of the intraocular pseudophakic contact lens. For example, one or more alignment markings may be provided to identify proper alignment of the intraocular pseudophakic contact lens with the intraocular lens. Also, one or more drug-eluting materials may be disposed on the upper surface, side surface, or bottom surface of the optical lens of the intraocular pseudophakic contact lens.

[0067] Figure 22 shows an example of an intraocular lens and an example of an intraocular pseudophakic contact lens within a patient's eye 2200 according to the present disclosure. As shown in Figure 22, the eye 2200 has a cornea 2202, a sclera 2204, and an iris 2206. The cornea 2202 is the transparent front part of the eye 2200 through which light enters the eye 2200. The sclera 2204 is the tough white part on the outside of the eye. The iris 2206 controls the amount of light entering the interior of the eye 2200 from the cornea 2202 by controlling the size of the pupil of the eye.

[0068] Also, the eye 2200 typically also includes a lens capsule 2208 that holds the natural lens of the eye 2200. However, in this example, the natural lens has been removed and replaced with an intraocular lens 2210 having an optical lens 2212 and one or more haptics 2214. The optical lens 2212 of the intraocular lens 2210 receives light entering the eye and converges that light onto the retina of the eye 2200. The haptics 2214 of the intraocular lens 2210 are useful for holding the intraocular lens 2210 within the lens capsule 2208 so that the optical lens 2212 of the intraocular lens 2210 is in a desired position within the eye.

[0069] An intraocular pseudophakic contact lens 2216 is also disposed on the intraocular lens 2210 within the lens capsule 2208. The intraocular pseudophakic contact lens 2216 is either the above-described intraocular pseudophakic contact lens or some other suitable intraocular pseudophakic contact lens. The intraocular pseudophakic contact lens 2216 is disposed on the front surface of the intraocular lens 2210, which defines the front surface of the intraocular lens 2210 with respect to the eye 2200. Light enters through the cornea 2202 and passes through the pupil to modify the light before entering the intraocular pseudophakic contact lens 2216. The modified light then passes through the optical lens 2212 of the intraocular lens 2210 and is modified again. The light modified twice then passes through the remainder of the eye 2200 and reaches the retina behind the eye 2200.

[0070] As described above, the intraocular pseudophakic contact lens 2216 has one or more haptic portions that extend only a short distance and fit under the anterior tip 2218 of the lens capsule 2208. Thereby, the haptic portions can be captured and confined by the anterior tip 2218 (and, if necessary, attached to the anterior tip 2218 by fibrosis or re-fibrosis). The anterior tip 2218 is the outer portion of the front surface of the lens capsule 2208 that remains after the lens capsule has been formed within the lens capsule 2208. By inserting the haptic portions of the intraocular pseudophakic contact lens 2216 beneath the anterior tip 2218, the intraocular pseudophakic contact lens 2216 can be fixed in place. In some cases, the healing process of the eye 2200 may cause fibrosis, which may in turn attach the anterior tip 2218 to the haptic portions of the intraocular pseudophakic contact lens 2216.

[0071] Note that the haptic portions of the intraocular pseudophakic contact lens 2216 are shorter or smaller than the haptic portions 2214 of the intraocular lens 2210. This is because the haptic portions 2214 of the intraocular lens 2210 extend substantially to the upper and lower portions of the lens capsule 2208 and can hold the intraocular lens 2210 in an appropriate position within the lens capsule 2208. The haptic portions of the intraocular pseudophakic contact lens 2216 do not have to extend to the upper and bottom portions of the lens capsule 2208 and may only extend a short distance beneath the anterior tip 2218.

[0072] By appropriately selecting the optical lens of the intraocular pseudophakic contact lens 2216, the intraocular pseudophakic contact lens 2216 can ideally correct any residual refractive error remaining after implantation of the intraocular lens 2210. The intraocular pseudophakic contact lens 2216 can also be removed and replaced with another intraocular pseudophakic contact lens if necessary. This may be necessary or desirable if the residual refractive anomaly is not adequately corrected by the intraocular pseudophakic contact lens 2216 or if the intraocular pseudophakic contact lens 2216 actually causes further refractive anomalies.

[0073] FIG. 22 shows an example of an intraocular lens and an example of an intraocular pseudophakic contact lens within a patient's eye, but various modifications can be made to FIG. 22. For example, the intraocular lens 2210 may be attached to other intraocular pseudophakic contact lenses. Also, many intraocular lenses are available, and the intraocular pseudophakic contact lens may be coupled to other suitable intraocular lenses of the eye 2200.

[0074] FIG. 23 shows an example of a method 2300 of using an intraocular pseudophakic contact lens with an intraocular lens according to the present disclosure. As shown in FIG. 23, at step 2302, the residual refractive error of a patient's eye having an intraocular lens is identified. This includes, for example, examining the patient's visual acuity by a practitioner and identifying the refractive error remaining after implantation of the intraocular lens 2210. This examination can be performed by an appropriate method, such as using intraoperative wavefront aberration measurement. One purpose of this examination is to identify what refractive errors exist in the patient's eye after implanting an intraocular lens in the patient's eye. This examination can be performed at any appropriate timing, such as after lens extraction.

[0075] At step 2304, an intraocular pseudophakic contact lens (IOPCL) is selected to (ideally) correct the identified residual refractive error. This includes, for example, selecting an intraocular pseudophakic contact lens from a kit by a practitioner, and the selected intraocular pseudophakic contact lens has an optical lens that substantially cancels out the identified residual refractive error. Also included is selecting an optical lens from a kit by a practitioner and inserting the optical lens into the intraocular pseudophakic contact lens, and the selected optical lens substantially cancels out the identified residual refractive error. Further included is obtaining an intraocular pseudophakic contact lens having a custom-designed optical lens by a practitioner, or obtaining a custom-designed optical lens for insertion into the intraocular pseudophakic contact lens. The custom-designed optical lens substantially cancels out the identified residual refractive error. Generally, any mechanism can be used to obtain a suitable intraocular pseudophakic contact lens.

[0076] In step 2306, the selected intraocular pseudophakic contact lens is inserted into the patient's eye. This includes, for example, forming a small incision in the patient's eye by a surgeon or a practitioner and inserting the intraocular pseudophakic contact lens into the eye through the incision. The intraocular pseudophakic contact lens can be rounded, folded, or have its cross-sectional size reduced in order to be inserted through a smaller incision.

[0077] In step 2308, one or more haptic portions of the intraocular pseudophakic contact lens are inserted under the anterior apex of the patient's eye's lens capsule wall. This includes, for example, positioning the intraocular pseudophakic contact lens 2216 at a desired position (and optionally, a desired orientation) on the intraocular lens 2210 by a surgeon or other practitioner. This also includes moving the intraocular pseudophakic contact lens 2216 by a surgeon or other practitioner such that the haptic portion (in any form) slides under the anterior apex 2218 of the lens capsule 2208.

[0078] In step 2310, a vision test of the patient is performed. This vision test can be performed by any suitable method, such as using intraoperative wavefront aberrometry. This vision test can also be performed at any suitable timing, such as during the surgical procedure in which the intraocular pseudophakic contact lens is implanted or after the surgical procedure is completed. In step 2312, a determination is made as to whether the vision obtained from the test is satisfactory. Here, for example, it is determined whether the patient's eye is still experiencing residual refractive errors.

[0079] In step 2314, a determination is made as to whether to change the intraocular pseudophakic contact lens. This includes, for example, determining by the practitioner and the patient whether any remaining residual refractive error (if any) is inconvenient or problematic for the patient. If there is a problem, various procedures can be performed to solve the problem. For example, the currently implanted intraocular pseudophakic contact lens can be repositioned to adjust the correction of the cylinder axis. If that fails, in step 2316, another intraocular pseudophakic contact lens is selected. This includes, for example, selecting by the practitioner another intraocular pseudophakic contact lens that provides better refractive correction for the patient's eye compared to the currently inserted intraocular pseudophakic lens. In step 2318, the currently inserted intraocular pseudophakic contact lens is removed from the patient's eye. This includes, for example, by a surgeon or other practitioner sliding the haptic portion of the currently inserted intraocular pseudophakic contact lens 2216 from under the anterior capsule 2218 to remove the currently inserted intraocular pseudophakic contact lens 2216 from the patient's eye. Then, return to step 2306 where the newly selected intraocular pseudophakic contact lens can be inserted into the patient's eye and the vision test repeated.

[0080] After the process shown in FIG. 23 is completed, the haptic portion of the implanted intraocular pseudophakic contact lens 2216 can be captured / confined by the anterior capsule 2218 of the patient's eye's lens capsule 2208. This helps to hold the intraocular pseudophakic contact lens 2216 in place. Further, the patient's eye's healing process may optionally cause fibrosis or re-fibrosis, which may physically attach the haptic portion of the implanted intraocular pseudophakic contact lens 2216 to the anterior capsule 2218 of the capsular bag 2208.

[0081] FIG. 23 shows an example of a method 2300 of using an intraocular pseudophakic contact lens together with an intraocular lens, but various changes can be made to FIG. 23. They may occur repeatedly, in parallel, in a different order, or any number of times.

[0082] It is considered advantageous to specify the definitions of certain words and phrases used throughout this patent document. "Comprising" and "including", and their derivatives, mean inclusive without limitation. The term "or" also means and / or. The phrases "associated with" and its derivatives can mean including, included within, interconnected, enclosing, enclosed within, connected to or with, coupled to or with, communicable with, cooperating with, arranged alternately, juxtaposed, proximate, associated with or related to, having, having the characteristics of, having a relationship to or with, etc. The phrase "at least one", when used with a list of items, means that different combinations of one or more of the listed items may be used, and further that only one item in the list may be required. For example, "at least one of A, B, and C" includes any of A, B, C, A and B, A and C, B and C, and the combination of A and B and C.

[0083] The descriptions in this application should not be read as implying that any particular element, step, or function is an essential or important element to be included in the claims. Furthermore, none of these claims is intended to invoke 35 U.S.C. § 112(f) with respect to any of the appended claims or claims unless the exact words "means for" or "step for" follow a participle phrase that specifies a function and are explicitly used in a particular claim. The use of terms such as (but not limited to) "mechanism", "module", "device", "unit", "component", "element", "member", "apparatus", "machine", "system", "processor", or "processing device" within the claims is understood and intended to refer to structures known to those of ordinary skill in the art such that the characteristics of the claims themselves do not further modify or enhance, and are not intended to invoke 35 U.S.C. § 112(f).

[0084] Although certain embodiments and related methods have been described herein, modifications and permutations of these embodiments and methods will be apparent to those skilled in the art. Accordingly, the foregoing description of example embodiments does not define nor constrain this disclosure. Other changes, substitutions, and modifications are also possible without departing from the spirit and scope of this disclosure as defined by the following claims.

Claims

1. An intraocular pseudophakic contact lens comprising: an optical lens; and a plurality of haptics configured to extend radially from the optical lens and to be inserted under the anterior apex of the lens capsule wall of the eye to capture and confine a plurality of tactile portions under the anterior apex of the lens capsule wall of the eye for fixing the intraocular pseudophakic contact lens to the intraocular lens, wherein a front surface of the haptic comprises a textured surface configured to contact the inner side of the lens capsule wall at the anterior apex, the textured surface facilitating confinement, capture or attachment of the haptic, a rear surface of the haptic comprises a ridge portion configured to capture at least one end portion of the intraocular lens for fixing the intraocular pseudophakic contact lens to the intraocular lens, and at least a part of each of the front surfaces of the haptics is inclined rearward with respect to the front surface of the optical lens, and at least a part of each of the rear surfaces of the haptics is inclined rearward with respect to the rear surface of the optical lens.

2. The apparatus according to claim 1, wherein the intraocular pseudophakic contact lens comprises at least one alignment marking configured to specify an appropriate orientation of the intraocular pseudophakic contact lens.

3. Each of the haptics comprises an inner portion and an outer portion, the inner portion of each haptic being disposed between the optical lens and the outer portion of the haptic, and the outer portion of each haptic having a tapered thickness that tapers from a greater thickness proximate the inner portion of the haptic to a smaller thickness proximate the outer portion of the haptic.

4. The apparatus according to claim 3, wherein for each haptic, the ridge portion is defined such that the greater thickness of the outer portion of the haptic meets the smaller thickness of the haptic.

5. The apparatus according to claim 1, wherein the ridge portion of each haptic comprises a lip portion that protrudes from and extends inwardly from the ridge portion.

6. The apparatus according to claim 1, wherein the front surface of the optical lens and the portion of the front surface of the haptic collectively form a convex surface.

7. The apparatus according to claim 1, wherein the apparatus comprises at least three haptics extending radially from the optical lens.

8. The apparatus according to claim 1, wherein the optical lens is multifocal.

9. The intraocular pseudo-lens contact lens further comprises a plurality of segments arranged around the optical lens, the bottom surface of each segment being located below the rear surface of the optical lens, and the segments being configured to separate the optical lens from the intraocular lens. The device according to claim 1.

10. An intraocular lens including a first optical lens and a first haptic portion configured to be implanted into the lens capsule in the eye, In a system comprising an intraocular pseudo-lens contact lens, The intraocular pseudo-lens contact lens, A second optical lens, A second haptic portion that extends radially from the second optical lens and is configured to be inserted under the anterior tip to capture and confine a second haptic portion under the anterior tip of the lens capsule wall of the eye and fix the intraocular pseudo-lens contact lens to the intraocular lens of the eye. The front surface of the second haptic portion is provided with a textured surface configured to contact the inside of the lens capsule wall at the anterior tip, and the textured surface promotes the confinement, capture or adhesion of the second haptic portion. The rear surface of the second haptic portion is provided with a ridge portion configured to capture at least one end of the intraocular pseudo-lens contact lens to fix it to the intraocular lens. At least a part of the front surface of each of the second haptic portions is inclined rearward with respect to the front surface of the second optical lens, and at least a part of the rear surface of each of the second haptic portions is inclined rearward with respect to the rear surface of the second optical lens. A system.

11. Each of the second haptic portions includes an inner portion and an outer portion. The inner portion of each second haptic portion is disposed between the second optical lens and the outer portion of the second haptic portion. The outer portion of each second haptic portion has a tapered thickness that tapers from a greater thickness proximate the inner portion of the second haptic portion to a smaller thickness proximate the outer portion of the second haptic portion. The system according to claim 10.

12. For each second haptic portion, the ridge portion is defined such that the greater thickness of the outer portion of the second haptic portion matches the smaller thickness of the second haptic portion. The system according to claim 11.

13. The system according to claim 10, wherein the ridge portion of each second tactile portion includes a lip portion that protrudes from the ridge portion and extends inwardly from the ridge portion.

14. The system according to claim 10, wherein the intraocular pseudo-crystalline lens contact lens comprises at least three tactiles extending radially from the second optical lens.

15. The system according to claim 10, wherein the second optical lens is multifocal.

16. The system according to claim 10, wherein the intraocular pseudo-crystalline lens contact lens further comprises a plurality of segments disposed around the second optical lens, a bottom surface of each segment being located below a rear surface of the second optical lens, and the segments being configured to separate the second optical lens from the intraocular lens.

17. The system according to claim 10, wherein the second tactile portion is shorter than the first tactile portion.

18. An optical lens, A plurality of tactile portions extending radially from the optical lens and configured to be inserted under the anterior tip of the lens capsule wall of the eye to capture and confine at least three tactile portions under the anterior tip of the lens capsule wall of the eye to fix the intraocular pseudo-crystalline lens contact lens to the intraocular lens, An apparatus comprising an intraocular pseudo-crystalline lens contact lens including: The front surface of the tactile portion is provided with a textured surface configured to contact the inside of the lens capsule wall at the anterior tip, the textured surface facilitating the confinement, capture or attachment of the tactile portion, The rear surface of the tactile portion comprises a ridge portion and a lip portion extending inwardly from the ridge portion, the ridge portion and the lip portion being configured to capture at least one end of the intraocular lens to fix the intraocular pseudo-crystalline lens contact lens to the intraocular lens, Each of the tactile portions comprises an inner portion and an outer portion, The inner portion of each tactile portion is disposed between the optical lens and the outer portion of the tactile portion, The inner portion of each tactile portion extends outwardly and rearwardly from the optical lens, For each tactile portion, the ridge portion is defined such that the greater thickness of the outer portion of the tactile portion matches the smaller thickness of the tactile portion, An apparatus.

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