Intraocular lens with increased optical diameter

Abstract

Intraocular lens (IOL) designs include an optic having an anterior surface and a posterior surface surrounded by an optic edge. In some examples, the IOL has a plurality of haptics, each haptic attached to the optic at a gusset, where each gusset extends beyond the optic edge toward a center of the optic such that the gusset at least partially overlaps the anterior surface of the optic. In some examples, the IOL includes a ring structure integral with the optic and surrounding a perimeter of the optic edge, the ring structure having a thickness and the optic edge having a thickness, the ring structure thickness being greater than the optic edge thickness.

Description

[0001] Priority requirements

[0002] This application claims the benefit of priority to U.S. Provisional Patent Application Serial No. 62 / 949,041, filed December 17, 2019, entitled “INTRAOCULAR LENS HAVINGINCREASED OPTIC DIAMETER”, the inventor of which is Mark Andrew Zielke, and is incorporated herein by reference in its entirety as if it were fully and completely set forth herein. Technical Field

[0003] This disclosure relates to the design of intraocular lens (IOL) lenses. Background Technology

[0004] The human eye consists of a cornea and a lens designed to focus light entering the pupil onto the retina. However, various refractive errors can occur in the eye, causing light to fail to focus properly on the retina and reducing vision. Many interventions have been developed over the years to correct these various ocular aberrations. These include eyeglasses, contact lenses, corneal refractive surgeries such as laser-assisted in situ keratomileusis (LASIK) or corneal implants, and intraocular lenses (IOLs). IOLs are also used to treat cataracts by replacing the patient's natural, diseased lens. In a typical IOL implantation procedure, an IOL is inserted into the patient's capsular bag to replace the natural lens.

[0005] To insert an IOL into the eye, a specially designed lens injector is often used to insert the foldable intraocular lens through a clear corneal incision in the temporal region. The incision size is typically approximately 4 mm or smaller, and for injectable IOLs, it can be approximately 3 mm or smaller.

[0006] The most common IOLs include edge-to-edge optics with a diameter of approximately 6.0 mm. Visual impairment caused by the interaction of light with the edges of the optics or by light missing the edges is one of the problems some patients experience when using 6.0 mm lenses. Larger diameter lenses can reduce these visual impairments, but as the IOL diameter increases, the volume of the IOL also increases, thus requiring a larger incision. When the IOL becomes too large, it may not be able to be inserted through a sufficiently small incision in the capsular bag. Summary of the Invention

[0007] In one aspect, this disclosure relates to an intraocular lens (IOL) including an optical element having a front surface and a rear surface surrounded by the edge of the optical element. The IOL may also include a plurality of haptic elements, each haptic element being attached to the optical element at a gusset, wherein each gusset extends toward the center of the optical element beyond the edge of the optical element such that the gusset at least partially overlaps with the front surface of the optical element.

[0008] The IOL may include one or more of the following additional features: (i) the thickness of the gusset plate may vary between the innermost radial edge and the haptic element; (ii) the thickness of the gusset plate may increase as the gusset plate extends away from the center of the optics from the innermost radial edge; (iii) the gusset plate may have zero thickness at the innermost radial edge and increase to a first thickness at a point radially beyond the edge of the optics; (iv) the gusset plate may have a thickness that monotonically increases as the gusset plate extends outward; (v) the optics may have a maximum thickness less than the thickness of the haptic element; (vi) the innermost radial edge of the gusset plate may be at least 2.75 mm from the center of the optics; (vii) the optics may have a diameter between 6 mm and 8 mm, and the IOL may have a diameter of 19 mm. 3 and 48mm 3 The total volume between; (viii) the edge of the optics can have a thickness between 0.05 mm and 0.3 mm; (ix) the optics can have a diameter of 6 mm, and the IOL can have a thickness between 19 mm. 3 and 23mm 3 The total volume between; (x) the edge of the optical device can have a thickness of 0.25 mm; (xi) a 21 diopter IOL can have a thickness of 19 mm. 3 Total volume; (xii) A 30 diopter IOL can have 23mm 3 (xiii) The total volume; (xiii) the optics can have a diameter of 7 mm, and the IOL can have a diameter of 23 mm. 3 and 30mm 3 The total volume between; (xiv) the edge of the optics can have a thickness of 0.1 mm; (xv) a 21 diopter IOL can have a thickness of 23 mm. 3 Total volume; (xvi) 30 diopter IOL can have 30mm 3 The total volume; (xvii) Optical components can have a diameter of 8mm, and the IOL can have a diameter of 35mm. 3 and 48mm 3 The total volume between; (xviii) the edge of the optics can have a thickness of 0.1 mm; (xix) a 21 diopter IOL can have a thickness of 35 mm. 3Total volume; (xx)30 diopter IOL can have 48mm 3 The total volume; (xxi) Optical components and tactile components may be made of soft, foldable optical component materials; (xxii) Optical components, gussets and tactile components are integrally formed to constitute a single-piece IOL.

[0009] On the other hand, the IOL includes an optical element comprising a front surface and a rear surface deployed around an optical axis, the front and rear surfaces being surrounded by an optical element edge connecting the front surface to the rear surface, the optical element edge defining the periphery of the optical element. A gusset plate connects at least one tactile element to at least one of the front and rear surfaces, the gusset plate extending from its radially innermost edge to a gusset plate-tactile element joint. The gusset plate at least partially overlaps with at least one of the front and rear surfaces of the optical element.

[0010] The IOL may include one or more of the following additional features: (i) at least one of the front and rear surfaces includes an optically active region configured to focus light to one or more focal points and a peripheral region surrounding the optically active region; and wherein the radially innermost edge of the gusset plate is in the peripheral region; (ii) each of the front and rear surfaces includes an optically active region configured to focus light to one or more focal points, each optically active region extending from the center of the optics to the edge of the optics; (iii) a gusset plate protrudes from at least one of the front and rear surfaces of the optics; (iv) the gusset plate protrudes only from the front and rear surfaces of the optics. (v) The bulge protrudes, causing the cross-section of the gusset plate to be asymmetrical relative to a plane orthogonal to the optical axis; (vi) The thickness of the gusset plate increases as it extends outward from the innermost edge; (vii) The gusset plate has zero thickness at its edge and increases to a maximum thickness outside the edge of the optics; (vii) The gusset plate has a thickness that monotonically increases as it extends radially outward; (viii) The maximum thickness of the optics is less than the maximum thickness of the haptic element; (ix) The radially innermost edge of the gusset plate is at least 2.75 mm from the center of the optics; (x) The optics has a diameter between 6 mm and 8 mm, and the IOL has a diameter between 19 mm and 8 mm. 3 and 48mm 3 The total volume between; (xi) the edge of the optics has a thickness between 0.05 mm and 0.3 mm; (xii) the optics has a diameter of 6 mm, and the IOL has a thickness between 19 mm. 3 and 23mm 3 The total volume between; (xiii) the optics edge has a thickness of 0.25 mm; (xiv) the 21 diopter IOL has a thickness of 19 mm. 3 Total volume; (xv) 30 diopter IOL with 23mm 3The total volume; (xvi) the optics have a diameter of 7 mm, and the IOL has a diameter of 23 mm. 3 and 30mm 3 The total volume between; (xvii) the optics edge has a thickness of 0.1 mm; (xviii) the 21 diopter IOL has a thickness of 23 mm. 3 Total volume; (xix) 30 diopter IOL has 30mm 3 The total volume; (xx) the optical components have a diameter of 8mm, and the IOL has a diameter of 35mm. 3 and 48mm 3 The total volume between; (xxi) the optics edge has a thickness of 0.1 mm; (xxii) the 21 diopter IOL has a thickness of 35 mm. 3 Total volume; (xxiii) 30 diopter IOL with 48mm 3 The overall volume; (xxiv) the optics, gussets and tactile components are made of soft, foldable biocompatible materials; (xxv) the optics, gussets and tactile components are integrally formed to constitute a one-piece IOL.

[0011] In another aspect, this disclosure relates to an IOL (Integrated Optical Component) including an optical component having an optical component edge. The IOL may also include a ring structure integral with the optical component and surrounding the periphery of the optical component edge. Both the ring structure and the optical component edge may have thickness, and the thickness of the ring structure may be greater than the thickness of the optical component edge. The IOL may also include a plurality of tactile elements attached to the ring structure.

[0012] The IOL may include one or more of the following additional features: (i) a step between the edge of the optics and the ring structure; (ii) the step may be angled, vertical, square, or circular; (iii) the haptic element and the ring structure may be attached to the haptic element-ring joint, which may have a thickness that increases radially beyond the ring structure from the ring structure thickness; (iv) the thickness of the haptic element-ring joint may monotonically increase as the haptic element-ring joint extends outward; (v) the maximum thickness of the optics may be less than the thickness of the ring structure; (vi) the optics, ring structure, and haptic element may be made of a flexible, foldable optics material; (vii) the optics may have a diameter between 6 mm and 8 mm, and the IOL may have a diameter of 14 mm. 3 and 48mm 3 The total volume between; (viii) the optics can have a diameter of 6 mm, and the IOL can have a diameter of 14 mm. 3 and 18mm 3 The total volume between; (ix) Optical components can have a diameter of 7 mm, and IOLs can have a diameter of 23 mm. 3 and 30mm3 The total volume between; (x) the optical element can have a diameter of 8 mm, and the IOL can have a diameter of 35 mm. 3 and 48mm 3 The total volume between; (xi) the edge thickness of the optics can be between 0.05 mm and 0.3 mm; (xii) the edge thickness of the optics can be 0.15 mm; (viii) the thickness of the ring structure can be between 0.2 mm and 0.5 mm; (xiv) the optics can be made of a first material, and the ring structure and haptic element can be made of a second material. The second material can have higher stiffness than the first material; (xv) the first material can be a soft, foldable optical material; (xvi) the first material can be acrylate, p-hydroxyethyl methacrylate, hydrophobic silicone polymer, acrylate, or hydrophilic 2-HEMA homopolymer; (xvii) the second material can be poly(methyl methacrylate) (p-MMA), polyvinylidene fluoride (PVDF), polysulfone, or acrylic acid; (xviii) the ring structure and haptic element can be molded or bonded to the edge of the optics; (xix) the optics can have a diameter between 6 mm and 8 mm, and the IOL can have a diameter between 13 mm and 13 mm. 3 and 46mm 3 The total volume between; (xx) Optical devices can have a diameter of 6mm, and IOLs can have a diameter of 13mm. 3 and 17mm 3 The total volume between; (xxi) Optical devices can have a diameter of 7mm, and IOLs can have a diameter of 21mm. 3 and 28mm 3 The total volume between; (xxii) the optics can have a diameter of 8 mm, and the IOL can have a diameter of 34 mm. 3 and 46mm 3 The total volume between. Attached Figure Description

[0013] To gain a more complete understanding of this disclosure, reference is now made to the following description, taken in conjunction with the accompanying drawings illustrating various aspects of this disclosure, wherein similar components have similar reference numerals, including letter designations for variations, such as 10a, 10b, and wherein:

[0014] Figure 1A This is a top view of the front surface of the IOL, in which the gusset plate extends toward the center of the optics beyond the edge of the optics and partially overlaps with the front surface of the optics.

[0015] Figure 1B This is a perspective view of the IOL, in which the gusset plate extends toward the center of the optics beyond the edge of the optics and partially overlaps with the front surface of the optics.

[0016] Figure 1C This is an enlarged view of the IOL's gusset plate, which extends toward the center of the optics beyond the edge of the optics and partially overlaps with the front surface of the optics.

[0017] Figure 1D This is an enlarged view of the IOL's gusset plate, which extends toward the center of the optics beyond the edge of the optics and partially overlaps with the front surface of the optics.

[0018] Figure 2A This is a perspective view of an IOL with a ring structure that surrounds the periphery of the edge of the optics.

[0019] Figure 2B This is a cross-sectional view of an IOL with a ring structure that surrounds the periphery of the edge of the optical device.

[0020] Figure 2C This is a perspective cross-sectional view of an IOL with a ring structure that surrounds the periphery of the edge of the optical device.

[0021] Figure 3A This is a top view of an IOL with a ring structure that surrounds the periphery of the edge of the optics, wherein the optics, the ring structure, and the tactile components are made of different materials.

[0022] Figure 3B This is a perspective view of an IOL with a ring structure surrounding the periphery of the edge of an optical component, wherein the optical component, the ring structure, and the tactile component are made of different materials.

[0023] Figure 3C This is a perspective view of an IOL with a ring structure surrounding the periphery of the edge of an optical component, wherein the optical component, the ring structure, and the tactile component are made of different materials. Detailed Implementation

[0024] This disclosure relates to an IOL (Intra-optical Linkage) where the diameter of the IOL is increased without significantly increasing the overall volume. This can be achieved by using gussets to connect the optics to the tactile element. Each gusset may originate from the front or rear surface of the optics itself (rather than the edge of the optics) and extend radially outward toward the tactile element, thus partially overlapping the front (or rear) surface of the optics. The gussets may be located outside the optically active area of ​​the optics (e.g., more than 2.5-3 mm from the center of the optics) to minimize the possibility of adverse effects on the patient's vision. Alternatively, the entire rear and / or front surface of the optics may be optically active. (The optically active area of ​​the IOL may include one or more surface profiles on the front and / or rear surface of the optics, which are collectively configured to focus light at one or more focal points, thereby providing vision correction for the patient.) By coupling the tactile element to gussets attached to the front or rear surface of the optics, the edge of the optics is not required to structurally support the tactile element. Therefore, optical devices can be made thinner, thus reducing the overall volume even for relatively large optical devices (e.g., those with a diameter greater than 6 mm).

[0025] Such benefits can be achieved, alternatively or additionally, by using a ring structure around the periphery of the optics, wherein the ring structure may be made of the same material as the optics or may be made of a second material having a higher stiffness than the first material used to make the optics.

[0026] exist Figure 1A - In Figure D, the front surface of IOL 100 is shown as having an optical element 110 and two tactile elements 120 attached to the optical element 110 via a gusset plate 130.

[0027] Optical element 110 has a front surface and a rear surface (not shown) connected and surrounded by optical element edge 140. The overall volume of IOL 100 can be reduced by decreasing the thickness of optical element 110 at and near optical element edge 140 (thickness is measured along the optical axis (OA) from front to back). For example, the thickness of optical element 110 at its central point, optical element center 160 (the point of maximum thickness for a biconvex lens), can be between 0.2 mm and 2 mm, while the optical element edge 140 can have a thickness between 0.05 mm and 0.3 mm. The thickness of optical element 110 can vary based on the material used for optical element 110. For example, a more rigid material can have an optical element edge 140 with a thickness between 0.05 mm and 0.1 mm, while a softer material can have an optical element edge 140 with a thickness between 0.1 mm and 0.3 mm. The maximum thickness of optical element 110 can be less than the thickness of haptic element 120 (thickness is measured along the optical axis of the optical element).

[0028] One or more tactile elements 120 connect the optical element 110 to the pouch to hold the optical element 110 in a stable position within the pouch. Figure 1A The embodiment shown in Figure D illustrates an IOL with two open-loop haptic elements, but the number and shape of the haptic elements can vary. The number of haptic elements can be, but is not limited to, one, two, three, four, five, or six. The shape of the haptic elements can be, but is not limited to, plate-like, open-loop (such as C-rings or J-rings), angular, planar, or offset haptic elements. The total length of the IOL 100, including the haptic elements, can be between 10 mm and 15 mm. The thickest portion of the haptic element 120 (thickness measured along an axis parallel to the optical axis of the lens) can be between 0.2 mm and 1 mm. For example, the thickest portion of the haptic element 120 can be 0.6 mm.

[0029] (exist Figure 1C and Figure 1D (As shown in more detail below) A gusset plate 130 attaches the optics 110 to two tactile elements 120. Each gusset plate 130 extends radially inward from the tactile element 120, across the edge 140 of the optics, and toward the center 160 of the optics, such that the gusset plate 130 at least partially overlaps with and extends onto the front surface of the optics 110. Each gusset plate 130 has a radially innermost edge 150 located on the front surface of the IOL 100, radially inward from the position where the edge 140 of the optics would be if the gusset plate 130 were not present. The radially innermost edge 150 of the gusset plate 130 may be between 2.5 mm and 3 mm from the center 160 of the optics in a radially outward direction to prevent obstruction of the patient's vision. For example, in some embodiments, the innermost radial edge 150 of the gusset 130 may be radially outward from the center of the optics 160 by 2.75 mm, such that the distance across the optics from one edge 150 to the other is 5.5 mm. The innermost radial edge 150 of the gusset 130 may be radially inward from a distance between 0.1 and 1.5 mm from the distance corresponding to the edge 140 of the optics (i.e., where the edge 140 would be if the gusset 130 were not present). For example, the innermost radial edge 150 of the gusset 130 may be radially inward from the edge 140 of the optics by 1.25 mm.

[0030] In some examples, the optical surface profile (e.g., a spherical or aspherical single-focal, multifocal, or extended depth-of-focus surface profile) defining the optically active regions of the front and / or rear surfaces of optics 110 may extend continuously from the center 160 of the optics to the edge 140 of the optics (except for the area in close contact with the gusset plate 130). In other examples, the optical surface profile defining the optically active regions of the front and / or rear surfaces may extend radially from the center 160 of the optics to the distance between the center 160 and the edge 140 of the optics, for example, radially from the center 160 by approximately 2.5 to 3 mm. In such examples, the peripheral region 115 outside the optical surface profile of the front surface may have a different surface profile than the central region of the optics 110. For example, the profile of such a peripheral region 115 may be flat or may have a thickness that varies differently from the surface profile of the optics. In examples including the peripheral region 115, the peripheral region 115 may be separated from the optically active region at a boundary 118, which may be visible to the naked eye or invisible. In the example excluding the outer region 115, there is no boundary 118.

[0031] The thickness of the gusset plate 130 can vary between its innermost radial edge 150 and the tactile element 120. The innermost radial edge 150 can be horizontal or flush with the optics 110, having zero thickness. As the gusset plate 130 extends radially outward from its innermost radial edge 150 away from the center 160 of the optics, its thickness can monotonically increase. This thickness can continue to increase to a first peak thickness 135 located at a point radially outward from the edge 140 of the optics.

[0032] In conventional IOLs, the haptic component is attached to the optics at a haptic component-optics connector along the periphery of the optics edge. This design requires a threshold edge thickness to ensure the stability of this connection. Due to the required edge thickness, extending the optics to a larger diameter (e.g., over 6 mm) increases volume, making delivery with small cuts (e.g., 2-3 mm or smaller) difficult or impossible.

[0033] However, in the disclosed design, the gusset plate 130 connecting the optics 110 and the haptic element 120 at least partially overlaps with the front and / or rear surfaces of the optics 110, thus using a portion of the front surface for the haptic-optics connection rather than just the periphery of the optics edge. Consequently, the gusset plate 130 can protrude from the front and / or rear surfaces of the optics. In some examples, the gusset plate 130 protrudes from only one of the front or rear surfaces and is flush with the opposing surfaces.

[0034] Therefore, compared to conventional optical devices, the diameter of optical device 110 can be increased while the corresponding increase in volume is minimized, allowing the IOL to still be inserted through a small incision. In various examples, the volume of optical device 110 can be as small as 10 mm. 3 and 40mm 3 between.

[0035] The optical element 110 can have a diameter ranging from 6 mm to 8 mm. In some embodiments, the diameter of the optical element 110 can be 6 mm, 7 mm, or 8 mm, and the total volume of the IOL can be approximately 19 mm². 3 and 48mm 3 The thickness of the optics edge 140 can range from approximately 0.05 mm. 3 and 0.3mm 3 between.

[0036] In the embodiment with a 6mm optical device diameter, the optical device edge 140 can have a thickness of 0.25mm. In this embodiment, the IOL 100 can have a thickness of 19mm. 3 and 23mm 3 The total volume between. For example, an IOL with a diopter of 21 diopters can have a volume of 19 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 23mm. 3 The total volume of the IOL.

[0037] In the embodiment with a 7mm optical device diameter, the optical device edge 140 can have a thickness of 0.1mm. In this embodiment, the IOL 100 can have a thickness of 23mm. 3 and 30mm 3 The total volume between. For example, a 21 diopter IOL can have 23 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 30mm. 3 The total volume of the IOL.

[0038] In the embodiment with an 8mm optical device diameter, the optical device edge 140 can have a thickness of 0.1mm. In this embodiment, the IOL 100 can have a thickness of 35mm. 3 and 48mm 3 The total volume between. For example, a 21 diopter IOL can have a volume of 35 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 48mm. 3 The total volume of the IOL.

[0039] The IOL 100 can be inserted through an incision between 1mm and 3mm. Maintaining a small incision is important because a larger incision can lead to a flattening effect on the cornea. Furthermore, a smaller incision allows for better sealing after surgery, preventing leakage and tear film contamination. Faster incision sealing can help prevent or reduce the risk of surgical astigmatism or endophthalmitis. Because fluid flow is related to the size of the ultrasonic needle, using an incision smaller than 1mm reduces flow rate and significantly slows down the procedure. Incisions larger than 3mm tend to have a greater flattening effect on the cornea at that meridian. Additionally, the incision should be small enough to effectively seal after surgery to prevent leakage and tear film inflow, which increases the risk of endophthalmitis. Therefore, the ideal incision size for cataract surgery is between 1mm and 3mm, small enough to reduce astigmatism from the incision and the risk of infection due to leakage or tear film contamination.

[0040] The optics 110, tactile element 120, and gusset plate 130 can be made of a soft, foldable optical material or any material suitable for use as a lens while also providing sufficient mechanical support. For example, the material can be hydrogel, acrylate, or silicone-based materials known in the field of ophthalmology.

[0041] In another embodiment, such as Figures 2A-2C As shown, this disclosure relates to an IOL 200 having a ring structure 210 integral with and surrounding the periphery of the optics 205's edge 240. The addition of the rigid outer ring structure 210 allows for a thinner optics 205, which reduces the overall volume of the IOL 200. The optics 205 can be thinner because the ring structure 210 provides a base and mechanical support for the haptic element 220 instead of the optics 205.

[0042] exist Figure 2A In the diagram, IOL 200 is shown as having a ring structure 210 surrounding the periphery of the optical element edge 240. The ring structure 210 may be thicker than the optical element edge 240 and may be between 0.2 mm and 0.5 mm. For example, the thickness of the ring structure 210 may be 0.3 mm.

[0043] Between the edge of the optical device and the ring structure, the IOL 200 may include a step. The shape of the step 200 may be, but is by no means limited to, angled, vertical, square, or circular.

[0044] Multiple tactile elements 220 can be attached to the ring structure 210 on opposite sides at the tactile element-ring joint. At the connection point 230 ( Figure 2CAt the location shown, the thickness of the haptic element-ring connector can be the same as that of the ring structure 210, and then the thickness can increase from the thickness of the ring structure towards a point radially beyond the ring structure. The thickness of the haptic element-ring connector can monotonically increase as the haptic element-ring connector extends outward. Figure 2A The embodiment shown illustrates an IOL with two open-loop haptic elements, but the number and shape of the haptic elements can vary. The number of haptic elements can include, but is not limited to, two, three, four, five, or six. The shape of the haptic elements can include, but is not limited to, plate-like, open-loop (such as C-rings or J-rings), angular, planar, or offset haptic elements.

[0045] Figures 2B-2C A cross-section of IOL 200 is shown. In an embodiment, the thickness of the optical element edge 240 can be between 0.05 mm and 0.3 mm. For example, the thickness of the optical element edge 240 can be 0.15 mm. The maximum thickness of the optical element 205 at its center 250 can be less than the thickness of the ring structure. The thickness of the optical element 205 at its center 250 depends on the IOL power, the refractive index of the material, and other IOL geometry. In an embodiment, the thickness of the optical element 205 at its center 250 can be between 0.2 mm and 2 mm.

[0046] Reducing the overall lens thickness allows for a larger optics diameter without increasing volume. Therefore, optics 205 can have a larger diameter than conventional optics while maintaining an acceptable volume that can still be inserted through a small notch. The ring structure 210 with the thinner optics 205 provides the IOL 200 with a volume that can be assembled through a small notch. For example, the IOL 200 can be inserted through a notch between 1 mm and 3 mm. The diameter of optics 205 can be between 6 mm and 8 mm. In some embodiments, the diameter of the optics can be 6 mm, 7 mm, or 8 mm, and the total volume of the IOL 200 can be approximately 14 mm². 3 and 48mm 3 between.

[0047] In the embodiment with a 6mm optical device diameter, the optical device edge 240 can have a thickness of 0.1mm. In this embodiment, the IOL 200 can have a thickness of 14mm. 3 and 18mm 3 The total volume between. For example, a 21 diopter IOL can have 14 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 18mm. 3 The total volume of the IOL.

[0048] In the embodiment with a 7mm optical device diameter, the optical device edge 240 can have a thickness of 0.1mm. In this embodiment, the IOL 200 can have a thickness of 23mm.3 and 30mm 3 The total volume between. For example, a 21 diopter IOL can have 23 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 30mm. 3 The total volume of the IOL.

[0049] In the embodiment with an 8mm optical device diameter, the optical device edge 240 can have a thickness of 0.1mm. In this embodiment, the IOL 200 can have a thickness of 35mm. 3 and 48mm 3 The total volume between. For example, a 21 diopter IOL can have a volume of 35 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 48mm. 3 The total volume of the IOL.

[0050] Optical element 205, ring structure 210, and haptic element 220 can be made of the same material. Using the same material for the entire IOL 200 allows the entire IOL 200 to be formed together. This eliminates the need for bonding or overmolding of components. The materials used for optical element 205, ring structure 210, and haptic element 220 can be soft, foldable optical element materials. Softer materials can have a modulus of 6 MPa or lower at 35°C. For example, the material can be hydrogels, acrylates, or silicone-based materials known in the ophthalmic field.

[0051] In another embodiment, such as Figures 3A-3C As shown, this disclosure relates to an IOL 300 having a ring structure 310 surrounding the periphery of an optical element edge 340, wherein the optical element 305 is made of a different material than the ring structure 310 and the haptic element 320. For example, the optical element 305 may be made of a first material, and the ring structure 310 and the haptic element 320 may be made of a second material. The stiffness of the ring structure 310 can provide support for the softer optical element 305. The optical element 305 and the ring structure 310 may be attached via bonding or overmolding. Bonding or overmolding is a process that combines two or more different materials to create a single part. For example, the optical element 305 may first be molded. The ring structure 310 and the haptic element 320 may then be molded onto or around the optical element 305.

[0052] Optical device 305 may be made of a first material. For example, it may be made of a soft, foldable optical material. For example, optical device 305 may be made of acrylate, p-hydroxyethyl methacrylate, hydrophobic silicone polymer, acrylate, or hydrophilic 2-HEMA homopolymer. In an embodiment, optical device 305 may be made of soft acrylate.

[0053] The ring structure 310 and the haptic element 320 can be made of a second material. For example, the ring structure 310 and the haptic element 320 can be made of a material that is more rigid than the optics 305, thereby eliminating the need for a thicker optics edge 340. Using a more rigid material for the ring structure 310 and the haptic element 320 can reduce the overall volume of the IOL 300 to facilitate a smaller delivery cut and allow the IOL 300 to be inserted through cuts between 1 mm and 3 mm. The material of the ring structure 310 and the haptic element 320 can have suitable strength and stiffness characteristics to provide stability within the pouch while remaining foldable, thereby allowing delivery through small cuts in the pouch. Compared to a more flexible material, a more rigid material resists deformation in response to applied forces. A more rigid material can have a modulus that is at least 30% higher than that of a softer material. In an embodiment, the more rigid material can have a modulus of 7.8 MPa or higher at 35°C. The ring structure 310 and the tactile part 320 may be made of a second material, such as a rigid tactile material, including, for example, poly(methyl methacrylate) (p-MMA), polyvinylidene fluoride (PVDF), polysulfone, acrylic resin, or any material that has suitable rigidity to support the optics 305 while still being foldable.

[0054] In this embodiment, the ring structure 310 and the optical device edge 340 may have the same thickness. The thickness of the ring structure 310 and the optical device edge 340 may be between 0.05 mm and 0.25 mm. For example, the thickness of the ring structure 310 and the optical device edge 340 may be 0.15 mm.

[0055] In other embodiments, the ring structure 310 may be thicker than the optical device edge 340. The thickness of the ring structure 310 may be between 0.1 mm and 0.5 mm. For example, the thickness of the ring structure 310 may be 0.15 mm. The thickness of the optical device edge 340 may be between 0.05 mm and 0.3 mm. The ring structure 310 may be 30% to 500% thicker than the optical device edge 340.

[0056] The diameter of the optical element 305 can be 6 mm to 8 mm. In some embodiments, the diameter of the optical element 305 can be 6 mm, 7 mm, or 8 mm, and the overall volume of the IOL 300 can be 13 mm². 3 and 46mm 3 between.

[0057] In the embodiment with a 6mm optical device diameter, the optical device edge 340 can have a thickness of 0.1mm. In this embodiment, the IOL 300 can have a thickness of 13mm. 3 and 17mm 3The total volume between. For example, a 21 diopter IOL can have 13 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 17mm. 3 The total volume of the IOL.

[0058] In the embodiment with a 7mm optical device diameter, the optical device edge 340 can have a thickness of 0.1mm. In this embodiment, the IOL 300 can have a thickness of 21mm. 3 and 28mm 3 The total volume between. For example, a 21 diopter IOL can have 21 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 28mm. 3 The total volume of the IOL.

[0059] In the 8mm optical device diameter embodiment, the optical device edge 340 can have a thickness of 0.1mm. In this embodiment, the IOL 300 can have a thickness of 34mm. 3 and 46mm 3 The total volume between. For example, a 21 diopter IOL can have a volume of 34 mm. 3 The total volume of the IOL, while a 30 diopter IOL can have 46mm. 3 The total volume of the IOL.

[0060] The subject matter disclosed above is to be considered exemplary and not restrictive, and the appended claims are intended to cover all such modifications, enhancements, and other embodiments falling within the true spirit and scope of this disclosure. Therefore, to the fullest extent permitted by law, the scope of this disclosure should be determined by the broadest permissible interpretation of the appended claims and their equivalents, without being limited or restricted by the foregoing detailed description.

Claims

1. An intraocular lens (IOL), comprising: Optical device, including the front and rear surfaces surrounded by the edges of the optical device; as well as A plurality of tactile elements, each tactile element being attached to an optical element at a gusset, wherein each gusset extends toward the center of the optical element beyond the edge of the optical element such that the gusset at least partially overlaps with at least one of the front and rear surfaces of the optical element, and wherein the gusset protrudes from only one of the front and rear surfaces of the optical element such that the cross-section of the gusset is asymmetrical relative to a plane orthogonal to the optical axis.

2. The IOL as claimed in claim 1, wherein the thickness of the gusset plate varies between the innermost radial edge and the tactile element.

3. The IOL as claimed in claim 1, wherein the thickness of the gusset plate increases as the gusset plate extends from the innermost radial edge away from the center of the optics.

4. The IOL as claimed in any one of claims 2-3, wherein the innermost radial edge of the gusset plate is at least 2.75 mm from the center of the optics.

5. The IOL as claimed in any one of claims 1-3, wherein the optics have a diameter between 6 mm and 8 mm, and the IOL has a diameter of 19 mm. 3 and 48mm 3 The total volume between.

6. The IOL as claimed in any one of claims 1-3, wherein the edge of the optical element has a thickness between 0.05 mm and 0.3 mm.

7. The IOL as claimed in any one of claims 1-3, wherein the optics have a diameter of 7 mm and the IOL has a diameter of 23 mm. 3 and 30mm 3 The total volume between.

8. The IOL as claimed in any one of claims 1-3, wherein the optics have a diameter of 8 mm and the IOL has a diameter of 35 mm. 3 and 48mm 3 The total volume between.

9. The IOL as claimed in any one of claims 1-3, wherein at least one of the front and rear surfaces includes an optically active region configured to focus light to one or more focal points and a peripheral region surrounding the optically active region; and wherein the radially innermost gusset edge is in the peripheral region.

Images