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WO2025110869A1 - Lentille intraoculaire multifocale continue et son procédé d'insertion - Google Patents

Lentille intraoculaire multifocale continue et son procédé d'insertion Download PDF

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Publication number
WO2025110869A1
WO2025110869A1 PCT/KR2024/096617 KR2024096617W WO2025110869A1 WO 2025110869 A1 WO2025110869 A1 WO 2025110869A1 KR 2024096617 W KR2024096617 W KR 2024096617W WO 2025110869 A1 WO2025110869 A1 WO 2025110869A1
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WO
WIPO (PCT)
Prior art keywords
lens
optical
iol
present
intraocular lens
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/KR2024/096617
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English (en)
Korean (ko)
Inventor
박기성
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Wellc Co Ltd
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Wellc Co Ltd
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Filing date
Publication date
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Publication of WO2025110869A1 publication Critical patent/WO2025110869A1/fr
Pending legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1616—Pseudo-accommodative, e.g. multifocal or enabling monovision
    • A61F2/1618—Multifocal lenses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
    • A61F2009/0087—Lens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00179—Ceramics or ceramic-like structures
    • A61F2310/00185—Ceramics or ceramic-like structures based on metal oxides
    • A61F2310/00215—Ceramics or ceramic-like structures based on metal oxides containing silica or silicon oxide

Definitions

  • the present invention relates to a continuous multifocal intraocular lens and a method for inserting the same.
  • the present invention relates to a continuous multifocal intraocular lens, in which the boundary of the curved surface does not appear on the lens surface, which is designed to produce a magnifying effect in the intraocular lens.
  • conventional existing technologies related to artificial lenses are diffractive multifocal IOLs that are made to produce a magnifying glass effect with multiple spiral edges, or refractive multifocal IOLs that have different partial refractive powers.
  • the disadvantage of multifocal IOLs is that in the case of diffractive multifocal IOLs, light is reflected in the spiral edge portion, and in the case of refractive IOLs, the refractive area is partially divided, causing image distortion, light scattering, and glare.
  • presbyopia contact lenses do not have separate refractive areas that produce a magnifying effect.
  • the problem is that the position is not fixed after being worn on the cornea, so the magnifying effect cannot be seen.
  • the problem to be solved by the present invention is to provide a continuous multifocal intraocular lens and a method for inserting the same, which can overcome the disadvantages and side effects of existing presbyopic contact lenses by combining a monofocal intraocular lens and a presbyopic contact lens.
  • a continuous multifocal artificial lens comprises an integral part including an optical part including an optical lens and a base lens formed on a surface that is coupled to the optical part and contacts the optical part, wherein the optical part is formed to be detachable from the integral part while the integral part is inserted into a user's eye, and parameters regarding optical properties of the optical lens and the base lens may be different from each other.
  • the optical lens may include a continuous multifocal lens and may provide variable refractive power required for near, intermediate and far distance vision.
  • the basic lens may include a single-focus lens.
  • the single-focus lens may include a single-focus lens having a biconvex shape.
  • the optical portion further includes a connector
  • the integral portion includes a connector
  • the connector and the connector can be coupled to each other, and the connector and the connector can be at least two or more in the same number.
  • the connector and the connecting body may have shapes corresponding to each other so that they can be combined with each other.
  • the integral part may include a predetermined number of through holes.
  • it may include a sealing button that can be inserted into the through hole.
  • the material of the optical portion and the integral portion may include a biocompatible material.
  • the biocompatible material may include at least one of silicone and hydrogel.
  • a continuous multifocal intraocular lens and a method for inserting the same have a novel effect of overcoming the disadvantages and side effects of existing monofocal intraocular lenses and existing presbyopic contact lenses by combining a monofocal intraocular lens and a presbyopic contact lens.
  • the continuous multifocal intraocular lens and the insertion method thereof can prevent the defects of existing technologies, such as diffuse reflection of light, image distortion, light scattering, glare, non-fixation of lens position, stepped edges, and discontinuity of curved surfaces, by combining a monofocal intraocular lens and a presbyopic contact lens.
  • FIGS. 1A to 1D illustrate a continuous multifocal intraocular lens according to some embodiments of the present invention.
  • FIG. 2 is a drawing for explaining an optical lens of an optical unit according to some embodiments of the present invention.
  • FIGS. 3A and 3B are drawings for explaining a connection method of a connector and a connecting body according to some embodiments of the present invention.
  • FIG. 4 is a drawing for explaining a sealing button and a through hole according to some embodiments of the present invention.
  • Figures 5a and 5b are drawings for explaining problems of an integrated artificial lens.
  • FIG. 6 is a flow chart illustrating a method for inserting an artificial lens into an eye according to some embodiments of the present invention.
  • FIG. 7 is a flow chart illustrating a retinal surgery method through a through-hole and a through-hole sealing method according to some embodiments of the present invention.
  • first, second, A, B, etc. used in this specification and claims may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, it could be called the first component without departing from the scope of the present invention.
  • the term 'and/or' includes any combination of a plurality of related described items or any item among a plurality of related described items.
  • FIGS. 1A to 1D illustrate a continuous multifocal intraocular lens according to some embodiments of the present invention.
  • the intraocular lens (hereinafter referred to as “IOL”) illustrated in FIGS. 1A to 1D is an intraocular lens (IOL) in which an optical section can be added to an integral part including a basic lens.
  • the material of the intraocular lens (IOL) of the present invention may include a soft and flexible material among biocompatible materials, such as silicone and/or hydrogel, but the embodiments of the present invention are not limited thereto.
  • an artificial lens may include an optical part (hereinafter referred to as “OP”) and a whole portion (hereinafter referred to as “WP”).
  • the IOL of the present invention may perform refractive power correction or individualization, etc., by additionally using an optical lens (OP_lens) of the optical part (OP), in addition to a basic lens (WP_lens) included in the whole portion (WP). That is, the IOL according to some embodiments of the present invention may correct the optical properties of the whole portion (WP) through the optical part (OP).
  • the optical lens (OP_lens) included in the optical unit (OP) and the basic lens (WP_lens) included in the integral unit (WP) may have different parameters regarding optical properties.
  • the optical lens (OP_lens) and the basic lens (WP_lens) may have different parameters regarding fixed focal length, refractive index, etc.
  • the optical lens (OP_lens) may include a contact lens for correcting presbyopia, such as a continuous multifocal lens
  • the basic lens (WP_lens) may include a single focal lens.
  • the embodiments of the present invention are not limited thereto.
  • the optical section (OP) can assist or correct the role of collecting light or concentrating light to change the direction of light propagation by the integral section (WP).
  • the optical unit (OP) may include an optical lens (OP_lens).
  • the optical lens (OP_lens) may have various parameter values.
  • the parameters of the optical lens (OP_lens) may include the type of the optical lens (OP_lens), the focal length, the refractive index, the traveling angle, the diameter, the thickness, etc., but the embodiments of the present invention are not limited thereto.
  • the types of the optical lens (OP_lens) may include a biconvex lens, a single-sided convex lens, a bending concave lens, etc., but the embodiments of the present invention are not limited thereto.
  • the optical lens (OP_lens) may include a presbyopic contact lens.
  • the optical properties of the optical lens (OP_lens) may be for correcting vision for presbyopia.
  • the optical lens (OP_lens) may be in the form of a continuous multifocal lens, i.e., the optical lens (OP_lens) may provide variable refractive powers required for near, intermediate, and far vision.
  • optical lens (OP_lens) of the present invention will be described in more detail with reference to FIG. 2.
  • FIG. 2 is a drawing for explaining an optical lens of an optical unit according to some embodiments of the present invention.
  • the optical lens may include a form of a continuous multifocal lens used as a presbyopic contact lens.
  • an optical lens can provide variable refractive power required for near, intermediate, and far vision.
  • the optical lens (OP_lens) may include a first region (R1) that provides refractive power required for near vision, a second region (R2) that provides refractive power required for intermediate vision, and a third region (R3) that provides refractive power required for far vision.
  • the refractive powers of the first region (R1) to the third region (R3) may be different from each other.
  • optical lens can be designed to have various shapes and optical properties.
  • the integral part (WP) performs refractive power correction or improvement, etc., and is also connected to the optical part (OP) to support and sustain the optical part (OP).
  • integral part (WP) is illustrated in FIGS. 1A to 1D as having a rectangular solid shape with rounded corners, the embodiment of the present invention is not limited thereto, and it is obvious that the shape of the integral part (WP) may have various shapes such as a cube with rounded corners, a cylinder, a cone, etc.
  • a component may include a base lens (WP_lens).
  • the basic lens (WP_lens) can perform refractive power correction or improvement, etc.
  • the basic lens (WP_lens) can have various parameter values.
  • the parameters of the basic lens (WP_lens) can include the type of the basic lens (WP_lens), the focal length, the refractive index, the traveling angle, the diameter, the thickness, etc., but the embodiments of the present invention are not limited thereto.
  • the types of the basic lens (WP_lens) can include a biconvex lens, a single convex lens, a bending concave lens, etc., but the embodiments of the present invention are not limited thereto.
  • the basic lens (WP_lens) may include a single-focus lens.
  • the optical properties of the optical lens (OP_lens) may be designed according to the single-focus lens.
  • the basic lens (WP_lens) may include various forms of single-focus lenses.
  • the basic lens (WP_lens) may include various forms of single-focus lenses such as a biconvex single-focus lens, a biconcave single-focus lens, a concave-convex single-focus lens, a plano-convex single-focus lens, and a plano-concave single-focus lens.
  • FIG. 1d illustrates a case in which the basic lens (WP_lens) is a biconvex single-focus lens as a main embodiment of the present invention, but the present invention is not limited thereto.
  • the intraocular lens (IOL) combines an integral part (WP) having the form of a monofocal IOL and an optical part (OP) having the form of a presbyopic contact lens, thereby having a new effect that can overcome the disadvantages and side effects of existing monofocal IOLs and existing presbyopic contact lenses.
  • WP integral part
  • OP optical part
  • an intraocular lens (IOL) may not cause the defects of existing technologies, such as diffuse reflection of light, image distortion, light scattering, glare, non-fixation of lens position, and discontinuity of stepped edge curvature, by combining a single focus IOL and a presbyopic contact lens.
  • the intraocular lens (IOL) may enable additional attachment and replacement of an optical portion (optical portion, OP) after the integral portion (WP) including the basic lens (WP_lens) is inserted into the eye. That is, the intraocular lens (IOL) of the present invention can have an optical portion (OP) additionally attached without removing the IOL itself after the integral portion (WP) including the basic lens (WP_lens) is inserted into the eye, thereby having the effect of easily performing refractive correction, etc.
  • an optical portion optical portion
  • the IOL can be used to replace the optical part (OP) without removing the already inserted IOL when refractive correction is required after IOL insertion, making the surgical procedure simpler and safer.
  • optical part (OP) and the integral part (WP) can have corresponding shapes so that they can be combined with each other.
  • the optical portion (OP) may be formed with a curvature corresponding to the curvature of the basic lens (WP_lens) of the integral portion (WP).
  • the curvature of the optical portion (OP) may be identical to or very similar to the curvature of the basic lens (WP_lens) of the integral portion (WP).
  • the optical unit (OP) may include a connector (OP_access) for coupling with the integral unit (WP), and the integral unit (WP) may include a connector (WP_connect) for coupling with the optical unit (OP).
  • the connector (OP_access) and the connector (WP_connect) may be coupled to each other.
  • the connector (OP_access) can be connected to the connector (WP_connect) of the integral part (WP).
  • the connector (OP_access) of the optical part (OP) can be connected to the connector (WP_connect) of the integral part (WP) to form a union.
  • Fig. 1b the shape of the connector (OP_access) is depicted as a rod shape and the number of connectors (OP_access) is depicted as two, but this is only for convenience of explanation. In other words, the shape and number of connectors (OP_access) are not limited to those depicted in Fig. 1b and can be freely modified.
  • the connector (WP_connect) can be connected to the connector (OP_access) of the optical unit (OP).
  • the connector (WP_connect) of the integral unit (WP) can be connected to the connector (OP_access) of the optical unit (OP) to form a union.
  • the shape of the connector (WP_connect) is shown as an L-shape and the number of connectors (WP_connect) is shown as two, but this is only for convenience of explanation. In other words, the shape and number of connectors (WP_connect) are shown in Fig. 5b.
  • connection method of a connector (OP_access) and a connection body (WP_connect) will be described with reference to FIGS. 3a and 3b.
  • FIGS. 3A and 3B are drawings for explaining a connection method of a connector and a connecting body according to some embodiments of the present invention.
  • FIGS. 3A and 3B are drawings for explaining a connection method of a connector and a connecting body according to some embodiments of the present invention.
  • an access and a connect can be connected to each other to form a union.
  • the connector (access) illustrated in FIGS. 3a and 3b may refer to a connector (OP_access) included in an artificial lens (IOL) illustrated in FIGS. 1a to 1d
  • the connector (connect) illustrated in FIGS. 3a and 3b may refer to a connector (WP_connect) included in an artificial lens (IOL1) illustrated in FIGS. 1a to 1d.
  • Fig. 3a illustrates a connection method in which an access is formed in the shape of a hook or a hook and is wound around an access
  • Fig. 3b illustrates a connection method in which an access is inserted into and fixed inside an access.
  • connection method of the access and the connect is not limited to that shown in FIGS. 3a and 3b.
  • the integral part (WP) may include a predetermined number of through holes (WP_hole).
  • the through holes (WP_hole) may serve as a space into which a surgical instrument for simple retinal surgery may be inserted.
  • the through holes (WP_hole) may be utilized as a space into which a surgical instrument for simple retinal surgery may be inserted.
  • Simple retinal surgery may include treatment for floaters, small-volume vitrectomy, treatment for micro-retinal tears, etc., but the embodiments of the present invention are not limited thereto.
  • the diameter of the through holes (WP_hole) may be 2 mm or less, and the diameter of the surgical instrument inserted into the through holes (WP_hole) may be 1 mm or less, but the embodiments of the present invention are not limited thereto.
  • the shape of the through hole (WP_hole) is depicted as an arc and the number of through holes (WP_hole) is two, but this is only for convenience of explanation. In other words, the shape and number of through holes (WP_hole) are not limited to those depicted in FIGS. 1A to 1D and can be freely modified.
  • the artificial lens (IOL) of the present invention may further include a sealing button inserted into the through hole (WP_hole).
  • FIG. 4 is a drawing for explaining a sealing button and a through hole according to some embodiments of the present invention.
  • a sealing button (hereinafter referred to as “SB”) can be connected to a through hole.
  • the sealing button (SB) can be inserted into a through hole.
  • the through hole (hole) may mean a through hole (WP_hole) included in an artificial lens (IOL) as shown in FIGS. 1a to 1d.
  • the sealing button (SB) may have a shape corresponding to the through hole.
  • the sealing button (SB) may also have a shape corresponding to the arc, but the embodiments of the present invention are not limited thereto.
  • the present invention can prevent the vitreous body filling the retinal area behind the lens capsule from being detached through the through hole by means of a sealing button (SB) inserted into the through hole.
  • SB sealing button
  • the artificial lens (IOL) of the present invention includes a through hole to facilitate simple retinal surgery.
  • the through hole is open, there may be a problem in which the vitreous body at the back of the lens capsule leaks out through the through hole.
  • the artificial lens (IOL) of the present invention has the effect of achieving both the convenience of retinal surgery and the prevention of vitreous detachment by opening the penetration hole when retinal surgery is required and blocking the penetration hole with a sealing button (SB) in other cases.
  • the intraocular lens (IOL) of the present invention is implemented in a functional manner in which the optical portion (OP) and the integral portion (WP) can be assembled.
  • the intraocular lens (IOL) of the present invention may be a functional continuous multifocal IOL implemented in a form in which the optical portion (OP) including a presbyopic contact lens and the integral portion (WP) including a single-focus lens can be assembled.
  • a user using the artificial lens (IOL) of the present invention can wear the IOL of the present invention through a first wearing method in which the optical part (OP) and the integral part (WP) are inserted into the user's eyeball in an assembled state, or a second wearing method in which only the integral part (WP) is inserted into the user's eyeball and then the optical part (OP) is coupled to the integral part (WP) while the integral part (WP) is mounted on the user's eyeball.
  • Figures 5a and 5b are drawings for explaining problems of an integrated artificial lens.
  • a conventional integral artificial lens is an integral product composed of a central part including an optical lens and a peripheral part (haptic part) that supports the central part.
  • a new artificial lens IOL must be inserted to resolve this.
  • the need to replace the IOL occurs when a refractive error occurs after cataract surgery, when the function of the IOL needs to be supplemented from monofocal to multifocal or corrected from multifocal to monofocal, when the IOL is dislocated from the lens capsule (hereinafter referred to as "LC"), when the IOL becomes cloudy, when the IOL causes bullous keratopathy (corneal endothelial thinning or cystic macular edema), and when the IOL is lost due to trauma.
  • LC lens capsule
  • the lens capsule (LC) is not absorbed by the IOL within a few months (e.g., 3 months) after the IOL is inserted (see ⁇ A1> in Fig. 5a)
  • the IOL inside the lens capsule (LC) must be cut into several pieces, extracted out of the eye, a new IOL must be inserted, and the IOL extraction site must be sutured. This is a complicated and time-consuming surgical procedure, and there is also a possibility that the corneal endothelial cells may be touched or the lens capsule (LC) may rupture.
  • IOL intraocular lens
  • EC epithelial cells
  • the inserted artificial lens (IOL) is firmly fixed to the lens bag (LC), it is very difficult to extract and exchange the IOL adsorbed on the lens bag (LC).
  • the surgical process is complicated and takes a long time, and the lens bag (LC) adsorbed on the IOL can be easily torn when trying to separate it, and if the lens bag (LC) is torn, not only can the vitreous humor filling the retinal area behind the lens bag (LC) leak out, but also it is impossible to insert a new IOL into the lens bag (LC) after extracting the IOL.
  • anterior chamber IOL implantation is a method of connecting both ends of the peripheral part that supports the optical part of the IOL with sutures, and then suturing both ends of the peripheral part to the adjacent sclera. This makes the surgical process complicated, takes a long time, and has the disadvantage of causing visual discomfort because it is not fixed in the lens capsule (LC) like an IOL after surgery.
  • LC lens capsule
  • a secondary cataract is a symptom in which epithelial cells proliferate and clouding occurs in the posterior capsule (LC) behind the lens, that is, the posterior capsule (LC_back).
  • the posterior capsule (LC_back) is burned and removed with a laser during secondary cataract surgery.
  • the artificial lens (IOL) needs to be replaced and the IOL is removed, the highly viscous vitreous body that fills the retina behind the lens capsule (LC) inevitably leaks.
  • Fig. 6 is a flow chart illustrating a method for inserting an artificial lens into an eye according to some embodiments of the present invention.
  • Each step (S100 to S500) of Fig. 6 can be performed by a human and/or automated medical equipment, ocular surgical equipment, surgical gown, etc.
  • FIG. 6 is a flowchart illustrating a process of connecting an optical part (OP) after inserting an integral part (WP) of an artificial lens (IOL) illustrated in FIGS. 1A to 1D into an eyeball.
  • FIG. 6 is a flowchart illustrating a second wearing method, that is, a method in which only the integral part (WP) is inserted into a user's eyeball and then the optical part (OP) is connected to the integral part (WP) while the integral part (WP) is mounted on the user's eyeball.
  • an integral part (WP) of a continuous multifocal IOL can be inserted into a capsular bag (S100).
  • the integral part (WP) can include a basic lens (WP_lens), a connector (WP_connect), a through hole (WP_hole), etc.
  • the basic lens (WP_lens) can include a biconvex single-focus lens, but the embodiment of the present invention is not limited thereto.
  • vision correction is necessary (S200). For example, it is possible to determine whether presbyopia correction is necessary. At this time, it is possible to determine whether presbyopia correction is necessary by determining the degree of error in the refractive power of the artificial lens (IOL), or, if requested by the user, it is possible to determine that presbyopia correction is necessary.
  • IOL artificial lens
  • a portion of the lens capsule near the connection (WP_connect) of the integral part (WP) can be resected (S300)
  • optical unit (OP) can be connected to the integral unit (WP) (S400).
  • the connector (OP_access) of the optical part (OP) and the connector (WP_connect) of the integral part (WP) can be connected to each other.
  • the parameter value of the optical lens (OP_lens) included in the optical part (OP) may be the same as or different from the parameter value of the basic lens (WP_lens) of the integral part (WP).
  • the optical part (OP) may include an optical lens (OP_lens).
  • the optical lens (OP_lens) may include a presbyopic contact lens.
  • the optical properties of the optical lens (OP_lens) may be for correcting vision of presbyopia.
  • the optical lens (OP_lens) may be in the form of a continuous multifocal lens. That is, the optical lens (OP_lens) may provide variable refractive power required for near, intermediate, and far vision.
  • FIG. 7 is a flow chart illustrating a retinal surgery method through a through-hole and a through-hole sealing method according to some embodiments of the present invention.
  • Each step (S600 to S900) of FIG. 7 can be performed by a human and/or automated medical equipment, ocular surgical equipment, surgical robot, etc.
  • local anesthesia can be performed after the surgery (S600).
  • local anesthesia can be performed after the surgeon's pupil is dilated.
  • a surgical instrument can be inserted through the through hole (WP_hole) (S700).
  • the diameter of the through hole (WP_hole) may be 2 mm or less, and the diameter of the surgical instrument may be 1 mm or less, but the embodiment of the present invention is not limited thereto.
  • a surgical instrument can be inserted into the retina to perform surgery (S800).
  • the surgery performed at this time may include treatment of vitrectomy, small-volume vitrectomy, treatment of microscopic retinal tears, etc., but the embodiments of the present invention are not limited thereto.
  • the through hole (WP_hole) can be sealed with a sealing button (SB) (S900).
  • the sealing button (SB) can have a shape corresponding to the through hole (WP_hole).
  • the sealing button (SB) can also have a shape corresponding to an arc, but the embodiment of the present invention is not limited thereto.
  • the present invention can prevent the vitreous body filling the retinal region behind the lens capsule from being detached through the through hole (WP_hole) by using a sealing button (SB) inserted into the through hole (WP_hole).
  • SB sealing button
  • the artificial lens (IOL) of the present invention includes a through hole (WP_hole) to facilitate the aforementioned simple retinal surgery.
  • WP_hole a through hole
  • the through hole (WP_hole) is open, a problem may occur in which the vitreous body at the back of the lens capsule leaks out through the through hole (WP_hole).
  • the artificial lens (IOL) of the present invention has the effect of achieving both convenience of retinal surgery and prevention of vitreous detachment by opening the through hole (WP_hole) when retinal surgery is required and blocking the through hole (WP_hole) with a sealing button (SB) in other cases.

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
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  • Heart & Thoracic Surgery (AREA)
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  • Oral & Maxillofacial Surgery (AREA)
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  • Transplantation (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Prostheses (AREA)

Abstract

La présente invention concerne une lentille intraoculaire multifocale continue. La lentille intraoculaire multifocale continue comprend : une partie optique (OP) comportant une lentille optique ; et une partie complémentaire (WP) accouplée à la partie optique et comportant une lentille de base formée sur une surface en contact avec la partie optique, la partie optique étant formée pour être détachable de la partie complémentaire dans un état dans lequel la partie complémentaire est insérée dans le globe oculaire d'un utilisateur et la lentille optique et la lentille de base pouvant avoir différents paramètres concernant les propriétés optiques.
PCT/KR2024/096617 2023-11-21 2024-11-18 Lentille intraoculaire multifocale continue et son procédé d'insertion Pending WO2025110869A1 (fr)

Applications Claiming Priority (2)

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KR10-2023-0162665 2023-11-21
KR1020230162665A KR20250075326A (ko) 2023-11-21 2023-11-21 연속 다초점 인공수정체 및 이의 삽입 방법

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WO2025110869A1 true WO2025110869A1 (fr) 2025-05-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004505667A (ja) * 2000-08-04 2004-02-26 テキア、　インコーポレイテッド ２ピース型の”ｌ”字形フェイキックｉｏｌ
KR20090101486A (ko) * 2007-01-11 2009-09-28 알콘 리서치, 리미티드 선택적인 광학 시스템: 양안 시력 이점을 최대화하기 위한 광학장치의 혼합 및 매칭
KR20190040681A (ko) * 2017-10-11 2019-04-19 황호식 다초점 인공 수정체
KR20210043815A (ko) * 2019-10-14 2021-04-22 고려대학교 산학협력단 비대칭 근거리 영역을 가지는 다초점 인공수정체
KR20220025190A (ko) * 2017-07-11 2022-03-03 온포인트 비젼 인코포레이티드 캡슐모양체 벽의 전방 리플릿에 의해 고정되기 위한 메카니즘을 갖는 안구 내 인공수정체안 콘택트 렌즈, 관련 시스템 및 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004505667A (ja) * 2000-08-04 2004-02-26 テキア、　インコーポレイテッド ２ピース型の”ｌ”字形フェイキックｉｏｌ
KR20090101486A (ko) * 2007-01-11 2009-09-28 알콘 리서치, 리미티드 선택적인 광학 시스템: 양안 시력 이점을 최대화하기 위한 광학장치의 혼합 및 매칭
KR20220025190A (ko) * 2017-07-11 2022-03-03 온포인트 비젼 인코포레이티드 캡슐모양체 벽의 전방 리플릿에 의해 고정되기 위한 메카니즘을 갖는 안구 내 인공수정체안 콘택트 렌즈, 관련 시스템 및 방법
KR20190040681A (ko) * 2017-10-11 2019-04-19 황호식 다초점 인공 수정체
KR20210043815A (ko) * 2019-10-14 2021-04-22 고려대학교 산학협력단 비대칭 근거리 영역을 가지는 다초점 인공수정체

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