DE2717706A1 - Eye implant lens after cataract operation - has three equally spaced synthetic rubber centering rings around periphery - Google Patents

Eye implant lens after cataract operation - has three equally spaced synthetic rubber centering rings around periphery

Info

Publication number
DE2717706A1
DE2717706A1 DE19772717706 DE2717706A DE2717706A1 DE 2717706 A1 DE2717706 A1 DE 2717706A1 DE 19772717706 DE19772717706 DE 19772717706 DE 2717706 A DE2717706 A DE 2717706A DE 2717706 A1 DE2717706 A1 DE 2717706A1
Authority
DE
Germany
Prior art keywords
lens
capsule
eye
equally spaced
centering rings
Prior art date
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
DE19772717706
Other languages
German (de)
Inventor
Leonhard Klein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19772717706 priority Critical patent/DE2717706A1/en
Publication of DE2717706A1 publication Critical patent/DE2717706A1/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/147Implants to be inserted in the stroma for refractive correction, e.g. ring-like implants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • A61F2002/1681Intraocular lenses having supporting structure for lens, e.g. haptics
    • A61F2002/1683Intraocular lenses having supporting structure for lens, e.g. haptics having filiform haptics

Abstract

The lens used in eye surgery for correcting the sight of an eye after an operation for a cataract, also incorporates a location system to ensure correct positioning. The implant lens (1) carries around its periphery, three centering rings (2). These rings are made of silicone conber of a very high elasticity and the cross sectional size of the threa used is about 3mm diameter. The lens has a diameter between 3.5 and 4mm. The specific gravity of the ring material is 1.03 gr/cm3 resulting of a pressure on the eye of less than 0.5 milligram.

Description

Linse zur Implantation in die Linsenkapsel des Auges Lens for implantation in the lens capsule of the eye

Die Erfindung betrifft eine Linse zur Implantation in die Linsenkapsel des Auges. The invention relates to a lens for implantation in the lens capsule of the eye.

In der Augenchirurgie werden zur optischen Korrektur nach Kataraktoperationen Vorderkammerlinsen eingesetzt. In eye surgery they are used for optical correction after cataract operations Anterior chamber lenses inserted.

Diese Linsen werden in letzter Zeit fast ausschließlich nur noch als Iriscliplinsen eingesetzt. Die Befestigung und Zentrierung ist jedoch nicht befriedigend, vor allem wenn die Pupille erweitert wird. Neueste Versuche, Linsen zu fertigen, welche in die Linsenkapsel nach extrakapsulärer Kataraktoperation eingesetzt werden, konnten nicht befriedigen.Lately these lenses have been used almost exclusively as Iris clip lenses inserted. However, the attachment and centering is not satisfactory, especially when the pupil is dilated. Latest attempts to manufacture lenses, which are inserted into the lens capsule after extracapsular cataract surgery, could not satisfy.

Zum Einsetzen der Linse in die Kapsel ist es erforderlich, daß beim Ausräumen der Kapsel ein einwandfrei rundes Loch ausgeschnitten wird, um ein Einreißen der Kapsel beim Einschieben der Linse zu vermeiden. Da das Kapselloch zum Einschieben der Linse knopflochartig verzogen werden muß, bereitet das Einsetzen sehr große Schwierigkeiten.To insert the lens into the capsule, it is necessary that the Clear out the capsule a perfectly round hole is cut out to avoid tearing the capsule when inserting the lens. Because the capsule hole for insertion the lens has to be warped like a buttonhole, the insertion prepares very large Trouble.

Aufgabe der Erfindung ist es, eine Ersatzlinse zu schaffen, welche sich sicher in die ausgeräumte Linsenkapsel einbringen läßt, und auch bei ungleichmäßigen Rändern des Kapsellochs sicher in der Kapsel fixiert und zentriert bleibt. The object of the invention is to provide a replacement lens which can be safely inserted into the cleared lens capsule, and even with uneven Edges of the capsule hole remains securely fixed and centered in the capsule.

Die Lösung dieser Aufgabe wird durch die technische Lehre vermittelt, daß die Implantationslinse an ihrem Linsenumfang zwei oder mehrere weiche und elastische Abstandshalter zum Kapselinnenäquator hin besitzt. 1)i ese Abstandshalter sind in Form von Ringen, Scheiben, T-Stegen und dergleichen ausgebildet. Die i<Unstliciie Linse ist zweckmäßig aus einem Silikonkautschuk hoher Elastizität mit einem dem Kammerwasser nahezu gleichen spezifischen Gewicht hergestellt. The solution to this task is conveyed through technical teaching, that the implantation lens has two or more soft and elastic ones on its lens circumference Spacers for Capsule equator out possesses. 1) i ese spacers are designed in the form of rings, discs, T-bars and the like. The i <Unstliciie Lens is expediently made of a silicone rubber of high elasticity with a dem Aqueous humor produced almost the same specific gravity.

Der Vorteil dieser äußerst elastischen Abstandshalter, beispielsweise in Form von Zentrierungsringen an der Linse, besteht darin, daß beim Einsetzen die Ränder des Kapselloches mechanisch nicht beansprucht werden. Die Linse muß nicht größer als das Kapselloch sein und selbst ein unregelmäßiger Ioc!irand reißt beim Einsetzen nicht weiter. Die Zentrierung der Implantationslinse wird durch den sich bildenden äußeren Durchmesser der Zentrierungsringe im Kapseläquator gebildet. Zur Zentrierung sind zwei oder mehr Abstandshalter erfoderlich. Da die Zentrierungsringe sehr elastisch und kleiner als das Kapselloch sind, läßt sich i # der Implantationslinse durch seitliches Verschieben ein Ring nach dem anderen in die Kapsel einbringen. Zum Einsetzen der Implantationslinse wird diese an einen feinen Gummisauger angesaugt. The advantage of this extremely elastic spacer, for example in the form of centering rings on the lens, consists in the fact that when you insert the The edges of the capsule hole are not mechanically stressed. The lens doesn't have to be larger than the capsule hole and even an irregular Ioc! irand will tear at it Insert no further. The centering of the implantation lens is achieved by the forming the outer diameter of the centering rings in the capsule equator. To the Centering, two or more spacers are required. As the centering rings are very elastic and smaller than the capsule hole, the implantation lens Insert one ring after the other into the capsule by sliding it sideways. To insert the implantation lens, it is sucked into a fine rubber suction cup.

Die Zentrierungsringe haben nur einen Fadendurchmesser V)ll 0,3 mm, was beispielsweise bei Verwendung von Silikonkautschuk zu einer sehr hohen Elastizität führt. Die Linse Ilrit nur noch einen Durchmesser von 5,5 bis 4,0 mm, was ein sehr geringes Gewicht ergibt, das nur noch bei wenigen Milligramm liegt. Das ergibt bei Verwendung von Material mit einem spezifischen Gewicht von 1,05 g/cm3 im Kammerwasser eine Belastung auf die Kapselwände von weniger als 0,5 Milligramm. The centering rings only have a thread diameter V) ll 0.3 mm, This leads to a very high elasticity when using silicone rubber, for example leads. The Ilrit lens only has a diameter of 5.5 to 4.0 mm, which is a great deal results in low weight, which is only a few milligrams. That results in Use of material with a specific gravity of 1.05 g / cm3 in the aqueous humor a load on the capsule walls of less than 0.5 milligrams.

Besonders kennzeichnend für die neue Implantationslinse ist, daß sie leicht einsetzbar ist. Zur Implantation ist nur ein kleiner Hornhautschnitt von ca. 6 - 7 mm erforderlich. What is particularly characteristic of the new implantation lens is that it is easy to use. Only a small corneal incision is required for implantation of approx. 6 - 7 mm required.

I)a die Kapsel keine Nerven enthält,erfolgen keine Reizungen.I) a the capsule does not contain any nerves, there is no irritation.

Bei natürlicher I.age der Implantationslinse ist eine gute Zentrierung und Fixierung gegeben. Durch das geringe Gewicht der Linse ist diese im Kammerwasser praktisch gewichtslos in der Kapsel untergebracht. Es treten keine Störungen der Funktion der Iris auf. Jederzeit ist eine volle Erweiterung der Iris für Untersuchungen möglich.If the implantation lens is in a natural position, centering is good and given fixation. Due to the low weight the lens is this housed practically weightless in the aqueous humor in the capsule. There are no steps Disorders of the function of the iris. At all times there is a full expansion of the iris possible for examinations.

Eine Ausführungsform der Erfindung ist anhand der beigefügten Zeichnung beschrieben. An embodiment of the invention is based on the accompanying drawing described.

Fig. 1 zeigt in stark vergrößertem Maßstab in Draufsicht schematisch einen Linsenkörper 1 mit drei am Linsenumfang in gleichen Abständen angeordneten Abstandshaltern 2 in Form von elastischen weichen Ringen. Fig. 1 shows schematically on a greatly enlarged scale in plan view a lens body 1 with three equally spaced on the lens circumference Spacers 2 in the form of elastic soft rings.

Fig. 2 stellt die in Fig. 1 beschriebene Ausführungsform einer Implantationslinse im Schnitt dar, wobei die Bezugszeichen die gleiche Bedeutung wie in Fig. 1 haben. FIG. 2 shows the embodiment of an implantation lens described in FIG. 1 in section, the reference numerals having the same meaning as in FIG.

Die Fig. 3a - c stellen die einzelnen Phasen des Einsetzens der Implantationslinse 1 mit ihren Abstandshaltern 2 in Form weicher elastischer Ringe in die Linsenkapsel 3 des Auges dar. Gemäß Fig. 3b werden die Abstandshalter 2 infolge ihrer besonderen Weichheit und Elastizität beim Einsetzen über den Kapselrand 4 der Linsenkapsel 3 des Auges in leichter Weise verformt ohne Beschädigungen am Kapselrand zu verursachen. In Fig. 3c ist die Endlage der Implantationslinse 1 mit ihren Abstandshalter 2 in der Linsenkapsel 3 des Auges dargestellt. FIGS. 3a-c show the individual phases of the insertion of the implantation lens 1 with their spacers 2 in the form of soft elastic rings in the lens capsule 3 of the eye. According to Fig. 3b, the spacers 2 due to their special Softness and elasticity when inserted over the capsule edge 4 of the lens capsule 3 of the eye slightly deformed without causing damage to the edge of the capsule. In Fig. 3c the end position of the implantation lens 1 with its spacer 2 is in the lens capsule 3 of the eye shown.

Claims (3)

Patentansprüche 3 Linse zur Implantation in die Linsenkapsel des Auges, dadurch gekennzeichnet, daß die Linse (1) an ihrem Linsenumfang zwei oder mehrere weiche und elastische Abstandshalter (2) zum Kapselinnenäquator hin besitzt. Claims 3 lens for implantation in the lens capsule of the Eye, characterized in that the lens (1) has two or has several soft and elastic spacers (2) towards the inner capsule equator. 2.) Linse nach Anspruch 1, dadurch gekennzeichnet, daß die Abstandshalter (2) in Form von Ringen, Scheiben, T-Stegen und dergleichen ausgebildet sind.2.) Lens according to claim 1, characterized in that the spacers (2) are in the form of rings, discs, T-bars and the like. 3.) Linse nach Anspruch 1 und 2, dadurch gekennzeichnet, daß sie aus Silikonkautschuk hoher Elastizität mit einem dem Kammerwasser nahezu gleichen spezifischen Gewicht besteht.3.) Lens according to claim 1 and 2, characterized in that it consists of Silicone rubber of high elasticity with a specificity almost identical to the aqueous humor Weight.
DE19772717706 1977-04-21 1977-04-21 Eye implant lens after cataract operation - has three equally spaced synthetic rubber centering rings around periphery Pending DE2717706A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772717706 DE2717706A1 (en) 1977-04-21 1977-04-21 Eye implant lens after cataract operation - has three equally spaced synthetic rubber centering rings around periphery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772717706 DE2717706A1 (en) 1977-04-21 1977-04-21 Eye implant lens after cataract operation - has three equally spaced synthetic rubber centering rings around periphery

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DE2717706A1 true DE2717706A1 (en) 1978-10-26

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Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249272A (en) * 1980-03-05 1981-02-10 Stanley Poler Intraocular lens
US4251887A (en) * 1979-04-02 1981-02-24 Anis Aziz Y Posterior chamber capsular lens implant and method for implantation of the lens
NL8004782A (en) * 1979-08-30 1981-03-03 Sheets John Howard INTRAOCULAR LENS SYSTEM.
US4253200A (en) * 1979-11-16 1981-03-03 Kelman Charles D Intraocular lenses
EP0032835A2 (en) * 1980-01-21 1981-07-29 Minnesota Mining And Manufacturing Company Intraocular lens
US4298995A (en) * 1979-07-13 1981-11-10 Stanley Poler Intraocular lens construction
US4326306A (en) * 1980-12-16 1982-04-27 Lynell Medical Technology, Inc. Intraocular lens and manipulating tool therefor
US4363143A (en) * 1981-09-09 1982-12-14 Callahan Wayne B Intraocular lens
US4365360A (en) * 1979-04-05 1982-12-28 Ong Tiong S Lens designed for implantation into a lens capsule of a human eye
DE3303803A1 (en) * 1982-02-05 1983-08-18 Thomas R. Granada Hills Calif. Mazzocco INTRAOCULAR LENS AND SURGICAL INSTRUMENT FOR INSERTING THE SAME
US4402579A (en) * 1981-07-29 1983-09-06 Lynell Medical Technology Inc. Contact-lens construction
DE3326341A1 (en) * 1982-07-22 1984-02-02 Thomas R. 91344 Granada Hills Calif. Mazzocco IMPROVED FIXING SYSTEM FOR INTRAOCULAR LENSES
US4435855A (en) 1980-04-01 1984-03-13 Pannu Jaswant S Universal intraocular lens and a method of measuring an eye chamber size
US4473910A (en) * 1980-01-21 1984-10-02 Minnesota Mining And Manufacturing Company Intraocular lens
FR2563427A1 (en) * 1984-04-27 1985-10-31 Mo I Mikrokhirurg Artificial eye lens
US4562599A (en) * 1983-06-02 1986-01-07 Minnesota Mining And Manufacturing Company Intraocular lens
US4588406A (en) * 1985-08-15 1986-05-13 Fedorov Svjatoslav N Intraocular lens
USRE32525E (en) * 1980-04-01 1987-10-20 Universal intraocular lens and a method of measuring an eye chamber size
US4936850A (en) * 1983-08-30 1990-06-26 Ezekiel Nominees Pty. Ltd. Intraocular lens implant
DE3939648A1 (en) * 1989-11-30 1991-06-06 Adatomed Pharma & Med Intra=ocular lens of silicone rubber - with surface coated with protein with affinity to inner side of natural lens casing
US5589024A (en) * 1988-10-26 1996-12-31 Pharmacia Iovision, Inc. Fabrication of an intraocular lens
FR2745711A1 (en) * 1996-03-05 1997-09-12 Ioltechnologie Production Intraocular lens implant having improved positioning and stability
US5776191A (en) * 1982-02-05 1998-07-07 Staar Surgical Company Fixation system for intraocular lens structures
US6007747A (en) * 1987-08-24 1999-12-28 Pharmacia & Upjohn Company Method of making an aspheric soft lens
US6190410B1 (en) 1999-04-29 2001-02-20 Bausch & Lomb Surgical, Inc. Intraocular lenses
US6200344B1 (en) 1999-04-29 2001-03-13 Bausch & Lomb Surgical, Inc. Inraocular lenses
US6398809B1 (en) 2000-04-12 2002-06-04 Bausch & Lomb Incorporated Intraocular lens
US6461384B1 (en) 1999-06-17 2002-10-08 Bausch & Lomb Incorporated Intraocular lenses
US8377125B2 (en) 2006-04-05 2013-02-19 Anew Optics, Inc. Intraocular lens with accommodation
US8480734B2 (en) 2007-12-27 2013-07-09 Anew Optics, Inc. Intraocular lens with accommodation

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251887A (en) * 1979-04-02 1981-02-24 Anis Aziz Y Posterior chamber capsular lens implant and method for implantation of the lens
US4365360A (en) * 1979-04-05 1982-12-28 Ong Tiong S Lens designed for implantation into a lens capsule of a human eye
US4298995A (en) * 1979-07-13 1981-11-10 Stanley Poler Intraocular lens construction
FR2464063A1 (en) * 1979-08-30 1981-03-06 Sheets John INTRA-OCULAR LENS
DE3032144A1 (en) * 1979-08-30 1981-03-19 John Howard Odessa Tex. Sheets INTRAOCULAR LENS ARRANGEMENT
NL8004782A (en) * 1979-08-30 1981-03-03 Sheets John Howard INTRAOCULAR LENS SYSTEM.
US4253200A (en) * 1979-11-16 1981-03-03 Kelman Charles D Intraocular lenses
US4473910A (en) * 1980-01-21 1984-10-02 Minnesota Mining And Manufacturing Company Intraocular lens
EP0032835A2 (en) * 1980-01-21 1981-07-29 Minnesota Mining And Manufacturing Company Intraocular lens
EP0032835A3 (en) * 1980-01-21 1981-10-07 Minnesota Mining And Manufacturing Company Intraocular lens
US4249272A (en) * 1980-03-05 1981-02-10 Stanley Poler Intraocular lens
USRE32525E (en) * 1980-04-01 1987-10-20 Universal intraocular lens and a method of measuring an eye chamber size
US4435855A (en) 1980-04-01 1984-03-13 Pannu Jaswant S Universal intraocular lens and a method of measuring an eye chamber size
US4326306A (en) * 1980-12-16 1982-04-27 Lynell Medical Technology, Inc. Intraocular lens and manipulating tool therefor
US4402579A (en) * 1981-07-29 1983-09-06 Lynell Medical Technology Inc. Contact-lens construction
US4363143A (en) * 1981-09-09 1982-12-14 Callahan Wayne B Intraocular lens
US5776191A (en) * 1982-02-05 1998-07-07 Staar Surgical Company Fixation system for intraocular lens structures
US4573998A (en) * 1982-02-05 1986-03-04 Staar Surgical Co. Methods for implantation of deformable intraocular lenses
DE3303803A1 (en) * 1982-02-05 1983-08-18 Thomas R. Granada Hills Calif. Mazzocco INTRAOCULAR LENS AND SURGICAL INSTRUMENT FOR INSERTING THE SAME
DE3326341A1 (en) * 1982-07-22 1984-02-02 Thomas R. 91344 Granada Hills Calif. Mazzocco IMPROVED FIXING SYSTEM FOR INTRAOCULAR LENSES
US4562599A (en) * 1983-06-02 1986-01-07 Minnesota Mining And Manufacturing Company Intraocular lens
US4936850A (en) * 1983-08-30 1990-06-26 Ezekiel Nominees Pty. Ltd. Intraocular lens implant
FR2563427A1 (en) * 1984-04-27 1985-10-31 Mo I Mikrokhirurg Artificial eye lens
US4588406A (en) * 1985-08-15 1986-05-13 Fedorov Svjatoslav N Intraocular lens
US6007747A (en) * 1987-08-24 1999-12-28 Pharmacia & Upjohn Company Method of making an aspheric soft lens
US6432246B1 (en) 1988-10-26 2002-08-13 Pharmacia & Upjohn Company Fabrication of an intraocular lens
US5589024A (en) * 1988-10-26 1996-12-31 Pharmacia Iovision, Inc. Fabrication of an intraocular lens
US5674435A (en) * 1988-10-26 1997-10-07 Pharmacia Iovision, Inc. Fabrication of an intraocular lens
DE3939648A1 (en) * 1989-11-30 1991-06-06 Adatomed Pharma & Med Intra=ocular lens of silicone rubber - with surface coated with protein with affinity to inner side of natural lens casing
FR2745711A1 (en) * 1996-03-05 1997-09-12 Ioltechnologie Production Intraocular lens implant having improved positioning and stability
US6200344B1 (en) 1999-04-29 2001-03-13 Bausch & Lomb Surgical, Inc. Inraocular lenses
US6190410B1 (en) 1999-04-29 2001-02-20 Bausch & Lomb Surgical, Inc. Intraocular lenses
US6461384B1 (en) 1999-06-17 2002-10-08 Bausch & Lomb Incorporated Intraocular lenses
US6398809B1 (en) 2000-04-12 2002-06-04 Bausch & Lomb Incorporated Intraocular lens
US8377125B2 (en) 2006-04-05 2013-02-19 Anew Optics, Inc. Intraocular lens with accommodation
US8480734B2 (en) 2007-12-27 2013-07-09 Anew Optics, Inc. Intraocular lens with accommodation

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