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116 results about "Intraocular Lens Implant" patented technology

Intraocular lens implant having posterior bendable optic

InactiveUS20050131535A1Safe for long-term use in eyeReduce lightIntraocular lensCiliary epitheliumThinning
An intraocular lens (30) having focusing capabilities permitting focusing movement of the lens (30) in response to normal ciliary body (24) movement incident to changes in the distance between the eye and an object under observation is provided. The lens (30) is designed for surgical implantation within the capsule (20) of an eye (10) and includes an optic (32) and an optic positioning element (33) which cooperate to form the lens (30). Accommodation is achieved by relying upon the thickening and thinning of the optic (32) as a result of the normal retracting and contracting of the ciliary body (24) in response to the distance of an object from the viewer.
Owner:ABBOTT MEDICAL OPTICS INC

Accommodating intraocular lens implant

InactiveUS7125422B2Easy to insertLong-term useIntraocular lensLens crystallineAccommodating intraocular lens implant
An improved intraocular lens (42) is provided which more closely mimics the accommodation and focusing of the eye's natural lens. The lens (42) comprises an optic (44) and a flexible, resilient optic positioning element (46) which includes an anterior section (48), a posterior section (50), a bight (56), in cross-section, joining the anterior and posterior sections, and a haptic arm (58) extending between the optic (44) and the optic positioning element (46). The lens (42) may optionally include a posterior optic (44a) coupled to the optic positioning element (46). The optic positioning element (46) is formed of unitary construction. The anterior (48) and posterior (50) sections are configured for yieldable engagement with the anterior (52) and posterior (54) walls of the eye capsule (30), respectively.
Owner:JOHNSON & JOHNSON SURGICAL VISION INC

Method of implanting accommodating intraocular lenses

A method for implanting an intraocular lens into the eye of a subject includes placing the intraocular lens into the eye of a subject and administering a drug in an amount sufficient to maintain an accommodative state of the eye. The method further includes permitting at least a portion of the intraocular lens to become coupled to at least a portion of the eye while maintaining the eye in the accommodative state. In certain embodiments, the method may include forming an intraocular lens while maintaining an accommodative state of the eye. In such embodiments, the method may exclude permitting at least a portion of the intraocular lens to become coupled to at least a portion of the capsular bag.
Owner:ADVANCED MEDICAL OPTICS

Intraocular Lens Insertion Device

An intraocular lens insertion device which dramatically reduces the possibility that a plunger damages an intraocular lens, and which can safely and surely insert an intraocular lens into an eye is provided. An intraocular lens insertion unit comprises a lens disposing part for disposing an intraocular lens, a plunger for pushing out the intraocular lens disposed at the lens disposing part, a transition part for deforming the intraocular lens pushed out by the plunger, and a nozzle for ejecting the deformed intraocular lens. The plunger has a lens contact part for contacting the outer edge of the intraocular lens, and a protrusive part for pushing the lens contact part downward the intraocular lens by the deformation of the intraocular lens, both lens contact part and protrusive part are provided at the leading end of the plunger.
Owner:HOYA CORP

Telescopic intraocular lens implant for treating age-related macular degeneration

InactiveUS20050021138A1Affecting length of lensImprove eyesightIntraocular lensPosterior lensPhakic iol
An intraocular lens having an anterior lens member (48) presenting an anterior light-converging optic (52) and a posterior lens member (50) presenting a posterior light-diverging optic (68) for magnifying an observed image onto large regions of the retina (32) to permit central focus in patients suffering from AMD and a method of implanting the lens into the human eye (10). The anterior light-converging optic (52) is operably coupled with a flexible body (58) which extends radially therefrom and presents opposing bights (62) presenting termini (66) when the lens is viewed in cross-section. The posterior light-diverging optic (68) is operably coupled with an annular flange (76) which is arcuate in cross-section and mates with termini. Both the anterior and the posterior lens members (48, 50) have positioning holes (70, 80) formed therein permitting surgical implantation thereof. The IOL (46) is constructed of a flexible synthetic resin material such as polymethylmethacrylate and permits focusing upon objects located near to and far from the viewer.
Owner:WOODS RANDALL

Intraocular lens system

ActiveUS7811320B2Minimize traumaTrauma is minimizedIntraocular lensAdhesiveEngineering
A multi-component intraocular lens implanted in an optical system of a human eye, including one or more foldable removable components, each component being foldable. One component acts as a base lens, including a flange with a slot. Another component acts an optical assembly that may include a top lens joined to or integrated with a mid lens. The top lens, the mid lens or the optical assembly may include at least one projection that engages the slot of the base lens. A medical adhesive may be applied to an outer circumferential surface of the top lens to join the top lens to the mid lens or may be applied to a top surface of the top lens opposing a bottom surface of the mid lens.
Owner:EMMETROPIA

Disposable intraocular lens insertion system

An intraocular lens injection system comprising an injecting device and cartridge. The cartridge comprises a lens holding portion and an outer sleeve portion. The invention includes a method of pre-loading the injecting system, particularly the cartridge, to reduce the amount of packaging, prevent damage to the intraocular lens during packaging and shipping, allow the pre-loaded injecting cartridge to be autoclaved as a unit, and eliminate the step of loading the cartridge with the intraocular lens by the end user to prevent potential damage during this step.
Owner:STAAR SURGICAL COMPANY INC

Capsular intraocular lens implant having a refractive liquid therein

An intraocular lens having a light-transmitting optic (32, 94a, 94b, 142, 216) comprised of a synthetic light-refractive material (40, 102) operably coupled with a flexible optic positioning member (34, 62, 74, 84, 100, 210) to refract light onto the retina in order to correct refractive errors in the eye (10). The refractive material has an index of refraction of from about 1.36 to 1.5 or higher. The optic positioning member (34, 62, 74, 84, 100, 210) is constructed of a flexible synthetic resin material such as polymethylmethacrylate and permits focusing upon objects located near to and far from the viewer. The optic (32, 94a, 94b, 142, 216) of the present invention possess greater refractive capability than optics conventionally used in IOL construction, and permits retinal receipt of the image being viewed in order to correct refractive errors.
Owner:ADVANCED MEDICAL OPTICS

Intraocular lens implant having accommodative capabilities

An intraocular implant including a lens and a shell component. The shell component includes a shell peripheral wall encompassing a shell inner volume for protectively enclosing the lens and allowing the latter to move therein between lens accommodating positions. The lens is pivotable within the shell inner volume between a lens first position wherein the lens is in a substantially proximal relationship relative to a shell wall first segment and a lens second position wherein the lens is in a substantially proximal relationship relative to a shell wall second segment. In one embodiment of the invention, the lens peripheral edge defines a lens edge pivot portion and the shell segment joining edge defines a corresponding shell edge pivot portion, the lens and shell edge pivot portion being complementarily configured and sized so that when the lens abuttingly rests against the peripheral wall inner surface, the lens and shell edge pivot portions interact with each other for allowing the lens to pivot between the lens first and second positions.In another embodiment of the invention, the lens is pivotally suspended within the shell component for pivotal movement between the lens first and second position. In both embodiments, the lens may also pivot to a lens intermediate position in a spaced relationship relative to both the the shell wall first and second segments.
Owner:KHOURY ELIE

Method and Device for Inserting an Intraocular Lens

An injector for inserting an intraocular lens into an eye includes a lumen. The lumen can include a terminal portion at a distal end and a proximal portion juxtaposed with the terminal portion. An injector plunger can be disposed within the lumen for generating a driving force on the intraocular lens. The injector can include a lens frictional force that has a first value when the lens is at a first location within the proximal portion and a second value when the lens is at a second location within the terminal portion. The first value can be smaller than the second value. In some embodiments, the lens frictional force increases abruptly from the first value to the second value as the lens approaches the distal end of the lumen.
Owner:VISIOGEN

Device for use in eye surgery

A method of manufacturing an intraocular lens inside a capsular bag after the natural lens has been removed employs a sealing device comprising a plug part adapted to seal a rhexis in a capsular bag, thus preventing displacement through the rhexis of a lens-forming liquid material injected through the rhexis and adapted to replace the natural lens and form an intraocular lens implant. The plug part has a slightly larger area than the capsulorhexis and is made of a deformable polymer. The sealing device further comprises an adjusting means connected to the plug part and adapted to position the plug part to a desired location.
Owner:AMO GRONINGEN

Intraocular lens implant with mirror

An intraocular implant for implantation into the interior of an eye is disclosed. The intraocular implant includes a body member, the body member has an anterior surface and a posterior surface, and has optical properties, and, at least one mirror, wherein the at least one mirror is contained within the body member.
Owner:ISAAC LIPSHITZ

Maintaining preoperative position of the posterior lens capsule after cataract surgery

Intraocular lens implant that includes a lens optic and lens haptics configured to maintain a preoperative position of the posterior lens capsule after cataract removal and insertion of a lens implant. The lens haptics have proximal and distal portions, with the distal portions lying in a common plane and the lens optic extending in a lens optic plane. The distance between the planes may be at least substantially the same dimension as or larger than a shift distance that the posterior lens capsule would otherwise traverse between its normal anatomical location and its shifted anatomical location where it not constrained. The shifted anatomical location arises naturally after both removal of cataract lens material and removal of a portion of an anterior capsule.
Owner:NOVARTIS AG

Anti-dysphotopic intraocular lens and method

An intraocular lens implant includes a lens having an anterior portion, a posterior portion, and a circumferential edge located therebetween. An annular notch is formed in the anterior portion and oriented in an anteriorly-directed orientation.
Owner:MASKET SAMUEL

Intraocular device for retaining a lens capsule

ActiveUS20040230203A1Maintaining postoperative visual acuityAvoid misalignmentEye surgerySurgeryAcute angleCataracts
A rod-shaped device holds the equatorial region of the lens capsule during cataract / intraocular lens implantation surgery of patients with a weak or ruptured Zinn zonule. The device has a handle with a length of 6 mm or more and a thickness ranging from 0.01 mm to 1.0 mm, a tip bent into an acute angle, with the length up to this angled tip being 1.5 mm or more from the trough of the bend, and the bent tip having a linear branched or flat pad, with the width between the branches being 1 mm or more or the flat pad having a surface area of 1 mm<2 >or more.
Owner:SHOWA UNIVERSITY

Intraocular lens insertion tool

ActiveUS20090171366A1Affect optical characteristicEasy to set upEye surgeryIntraocular lensCamera lensMedicine
An intraocular lens insertion tool with a tool body for accommodating an intraocular lens and adapted to insert into an eye the intraocular lens through displacement of the lens in an axial forward direction by a plunging member, and to push out the lens through an insertion tube section disposed at an axial distal end of the tool body. The insertion tube section has an inclined orifice that opens on diagonal to the center axis of the insertion tube section. The plunger member has a sliding part that during displacement thereof in a direction of plunging into the tool body will slide against the tool body. A resistance graduating mechanism is provided for gradually increasing operation resistance of the plunger member by gradually increasing contact force on the sliding part as the lens gradually emerges from the inclined orifice through plunging of the plunger member into the tool body.
Owner:KOWA CO LTD

Intraocular lens implant

The present invention provides a hydrogel-based intraocular lens (IOL) implant that can covalently attach to a lens capsule on implantation into an eye. The inventive IOL has a high refractive index, high elasticity, and is of a similar size to a naturally occurring lens. In addition, the IOL can be implanted in a smaller, dehydrated state, allowing the IOL to be placed in the lens capsule with a small incision (up to about 1 / 10 the volume of the IOL). Exposure to fluid can then initiate rapid swelling of the dried polymer to the shape and dimensions of a natural lens, with full occupation of the lens capsule. Upon equilibrium swelling, the IOL can then make contact with the inner aspect of the lens capsule and covalently bind to it. By this attachment process, the IOL may accommodate in a manner identical to that of the natural lens.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV

Corrective intraocular lens and associated methods

A system for providing improved vision to a patient having undergone an intraocular lens implantation includes a device for measuring an aberration in an eye of a patient having an intraocular lens implanted therein. Computer software is resident on a processor and is adapted to calculate a refraction profile prescription for correcting the measured aberration. An apparatus is also provided for altering a refractive index of a sector of the intraocular lens in situ according to the calculated prescription. The method includes measuring an aberration in an eye of a patient having an intraocular lens implanted therein, calculating a refraction profile prescription for correcting the measured aberration, and altering a refractive index of a sector of the intraocular lens in situ according to the calculated prescription.
Owner:ALCON REFRACTIVEHORIZONS

Intraocular lens system

The present invention discloses a multi-component intraocular lens implanted in an optical system of a human eye, including one or more foldable removable components, each component being foldable. One component acts as a base lens, including a flange with an aperture. Another component acts as a mid lens, including a tab which engages the aperture. A third component acts as a top lens, which engages the mid lens. Because the lens components are foldable, they may be inserted into the eye using an incision smaller than the diameter of the unfolded lens. The removable components may be used to correct various medical conditions of the eye, as well as to improve and enhance vision, and for cosmetic purposes.
Owner:EMMETROPIA

Presbyopia-correcting intraocular lens implant

A presbyopia correcting intraocular lens implant for implanting in a human eye includes an implant body having a central lens enclosure and at least one stability tab extending therefrom. At least one ciliary body sensor senses movement of the eye's ciliary body. An electronic module is embedded in the implant body and includes a microprocessor communicative with the ciliary body sensor. A dynamic lens assembly is housed in the central lens enclosure and has a dynamic range of continuous accommodation. The lens implant also includes a renewable intraocular power supply.
Owner:JONES DAVID

Method and system for adjusting the refractive power of an implanted intraocular lens

A method for adjusting the refractive power of a fluid-filled intraocular lens implanted into a patient's eye. The method comprises ablating a portion of the intraocular lens to alter either one or both of a refractive power and an amplitude of accommodation of the intraocular lens. The ablating is performed while the intraocular lens remains implanted in the patient's eye.
Owner:LENSGEN INC

Intraocular lens implant having accommodative capabilities

An intraocular implant including a lens and a shell component. The shell component includes a shell peripheral wall encompassing a shell inner volume for protectively enclosing the lens and allowing the latter to move therein between lens accommodating positions. The lens is pivotable within the shell inner volume between a lens first position wherein the lens is in a substantially proximal relationship relative to a shell wall first segment and a lens second position wherein the lens is in a substantially proximal relationship relative to a shell wall second segment. In one embodiment of the invention, the lens peripheral edge defines a lens edge pivot portion and the shell segment joining edge defines a corresponding shell edge pivot portion, the lens and shell edge pivot portion being complementarily configured and sized so that when the lens abuttingly rests against the peripheral wall inner surface, the lens and shell edge pivot portions interact with each other for allowing the lens to pivot between the lens first and second positions. In another embodiment of the invention, the lens is pivotally suspended within the shell component for pivotal movement between the lens first and second position. In both embodiments, the lens may also pivot to a lens intermediate position in a spaced relationship relative to both the shell wall first and second segments.
Owner:KHOURY ELIE

Intraocular lens system

ActiveUS20100016964A1Minimize traumaTrauma is minimizedIntraocular lensEngineeringHuman eye
The present invention discloses a multi-component intraocular lens implanted in an optical system of a human eye, including one or more foldable removable components, each component being foldable. One component acts as a base lens, including a flange with a slot. Another component acts is an optical assembly that may include a top lens joined to or integrated with a mid lens. The top lens, the mid lens or the optical assembly may include at least one projection that engages the slot of the base lens. The top and mid lenses are manufactured from a material having adhesive properties, wherein the top and mid lenses adhere to each other free of any material or substance being present therebetween.
Owner:EMMETROPIA
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