Abstract: An accommodating intraocular lens implant for implantation in a human eye, including an optic adapted for coaxial alignment with a vision axis of the human eye, and at least one haptic. The haptic includes an anchor portion for receipt in one of a periphery of a capsular bag of the human eye, a cilairy sulcus of the human eye, and an angle of the anterior chamber of the human eye, and a sinuous portion extending radially from the optic and including a proximal end connected to the optic, a distal end spaced from the optic and connected to the anchor portion, and at least four curves successively connected between the proximal end and the distal end. The sinuous portion is adapted to flex upon ciliary muscle action to move the optic along the vision axis and allow the intraocular lens implant to automatically accommodate.

Abstract: In one aspect, the present invention provide an ophthalmic lens (e.g., an IOL) that includes an optic having an anterior optical surface and a posterior optical surface, where the optic provides an optical power in a range of about 16 D to about 25 D as measured in a medium having an index of refraction substantially similar to that of the eye's aqueous humor (e.g., about 1.336). At least one of the optical surfaces is characterized by an aspherical base profile such that the optic exhibits a negative spherical aberration in a range of about ?0.202 microns to about ?0.190 microns across the power range.

Abstract: A foldable intraocular lens (IOL) includes an optic and at least one fixation member for supporting the optic in the anterior chamber of an eye. The fixation member includes an intermediate portion that extends a first direction away from the optic, and a leg portion that intersects with an outer end of the intermediate portion and extends a second direction, different from the first direction, away from the outer end. The leg portion preferably includes a reduced width region near the intersection with the intermediate portion. The reduced width region acts essentially as a hinge allowing the leg portion to flex about the intermediate portion in responsive to compressive forces, while the intermediate portion and optic remain stable.

Abstract: An intraocular lens for implantation in a capsule of an eye comprises an optic which has a substantially circular rim, an optical axis, and a lens plane that extends vertically of the optical axis; at least two haptics for support of the optic on the capsule, the haptics being fixed to the optic and forming one piece with the optic and consisting of reversibly deformable material, each haptic having a first Z-shaped haptic clamp articulated to the rim, a second Z-shaped haptic clamp articulated to the rim, and a connecting clamp which is concave in relation to the optical axis, uniting the first haptic clamp and the second haptic clamp.

Abstract: An accommodating lens assembly having an optical axis and being adapted to be implanted in a posterior chamber of an eye having a capsular unit located therein. The assembly includes a rigid haptics element adapted to secure the assembly within the posterior chamber outside said capsular unit. The element is transparent at least in a region around the axis. The assembly further includes a resilient body adapted to operate as a lens having a curved surface when pressed up against the region of the haptics element by an axial force applied thereto by the capsular unit. A change in this force causes a change in a radius of curvature for the curved surface.

Abstract: An intraocular lens includes an optical portion (7; 607; 907; 1107) of a transparent, deformable material, at least one haptic (5, 6; 205, 206; 405, 406, 706; 806; 905; 1005; 1105; 1205) radially projecting from the optical portion for supporting the optical portion in a position parallel to and against an anterior iris surface plane (936; 1136), and at least one aperture (13; 213; 713; 913; 1013; 1113) bounded by the haptic. At least a stiff portion of the haptic has a higher stiffness against bending about an axis in the radial direction than the optical portion. Furthermore, the stiff portion has a width (a) measured parallel to the plane and perpendicular to the radial direction, which is smaller than the size (b) of the optical portion in the direction of the width. An instrument and methods for preparing and carrying out insertion of such a lens are also described.

Abstract: An apparatus for improving vision including an intraocular lens, haptics extending outwardly from a periphery of the intraocular lens, a first anchor connected to the haptics and a second anchor connected to the haptics so as to position the intraocular lens in the anterior chamber of a cornea. Each of the first and second anchors is implanted into the cornea or into the sclera adjacent to the cornea. The intraocular lens has a truncated circular shape.

Abstract: An artificial vision system for regenerating or restoring vision of an eye of a patient includes: a power acquiring unit which is disposed inside the eye, includes a magnetic core having an opening and a coil wound around the magnetic core, and is adapted to acquire power from outside a body using electromagnetic induction; and a plurality of electrodes which is provided at a retina and is adapted to electrically stimulate cells constituting the retina.

Abstract: Surgical correction of presbyopia and hyperopia by a circularly distributed assembly of mini-bridges implanted between the interior surfaces of the ciliary muscle and the exterior surface of the lens capsule, for augmenting the transmission of the contraction force of the ciliary muscle/zonule assembly to the lens capsule. The lens is symmetrically squeezed by mini-bridges acting in concert with the ciliary muscle thus changing the curvature of the lens. The mini-bridges are composite synthetic muscles comprising either passive biocompatible mini-bridges made with polymeric gels, silicone polymers or a composite, electromagnetically or mechanically deployable mini-bridges, inflatable balloons or synthetic muscles. The surgical procedure comprises using a ciliary muscle relaxant to stretch the lens/zonules/ciliary muscle assembly.

Abstract: A positive power anterior chamber ocular implant for placement in a phakic eye is disclosed to correct refractive errors caused by hyperopia which includes at least one convex surface and haptics for positioning the lens in the anterior chamber of the eye. Contact between the lens and other anatomic bodies, such as the anatomical lens, the corneal endothelium and iris is avoided, and the haptics avoid contact with the iris.

Abstract: An accommodative intraocular lens is provided to replace a natural lens. The intraocular lens structure includes an optical portion and a haptic portion. The optical portion includes a replacement lens while the haptic portion includes the structure that holds the lens in position while keeping the anterior capsular sac taunt and annular in shape. The haptic in the present invention stabilizes the annular structure of the peripheral zone at the capsular sac's largest diameter and also stabilizes the conical structure of the capsular sac as well. The haptic structure includes a helical coil of increasing radius from the lens to the terminating annular ring that thus forms a conical coil spring. Compression and relaxation of the coiled (spring) haptics between the anterior and posterior capsule, during tightening and relaxation of lens zonule and ciliary body, move the lens to anteriorly and posteriorly and induces accommodation.

Abstract: Ophthalomogical implant device and procedure employing improved haptic structure, improved suture guide device or both.

Abstract: An intraocular lens structure for reducing complications is disclosed. The intraocular lens structure comprises an optic, a support and a closing fixture. The closing fixture is a groove or a valley formed on the side portion of the optic of the intraocular lens. The valley is formed by the optic and a protrusion projecting posteriorly from the optic. The groove or the valley in the optic is made engaged with the posterior capsular opening generally over the entire circumference of the groove or the valley to close the opening of the posterior capsule.

Abstract: A refractive intraocular lens and method of locating the lens within the eye and attaching the lens to the iris. The refractive intraocular lens may be attached via staples, a fastener or by the tip of the haptics.

Abstract: A unique anterior chamber phakic lens and methods for implantation are provided. The foldable optical zone portion of the lens is secured to a pair of diametrically opposed haptic members extending outwardly from the optical zone periphery to the angle of the eye. Each of the haptic members comprises an elongated arm portion and a distal arcuate portion with an inward curvature having an abraded surface. The inventive phakic lens is angle fixated by inducing a slight amount of scar tissue where the distal ends of lens haptics rest in the angle. Accordingly, the unique phakic lens and implantation methods minimize lens related etiology such as iris chafing, glaucoma, uveitis, distortion of the iris, and/or corneal decompensation.

Abstract: A refractive anterior chamber iris fixated intraocular lens including an optic portion having an outer peripheral edge and two or more but preferably two haptic elements. Each haptic element is manufactured to have an inner portion and an outer free end portion for supporting the optic portion in a patient's eye. The inner portion of each haptic element is preferably permanently connected to the outer peripheral edge of the optic portion. Each haptic element also includes a tissue clasp for secure attachment of the intraocular lens to the non-mobile periphery of the iris of an eye.

Abstract: A device and method is disclosed for treating macular degeneration, an affliction of the eye. An incision is made in the scleral region of the eye and an optical prosthesis for diverging incoming light is inserted and positioned within the vitreous humor proximate to the retina of the eye. The optical prosthesis may be a lens having one or more concave faces. Alternately, the optical prosthesis may be an assembly including a number of optical components. The optical prosthesis intercepts light directed at the macular region of the retina and spreads the light over a larger region of the retina. The optical prosthesis may be anchored or stabilized in a variety of ways prior to closing the incision.

Abstract: An adjustable intraocular lens system is provided by detachably attaching a secondary intraocular lens having a thin, contact lens-type optic onto a primary intraocular lens that has previously been implanted into an individual's eye. The preliminary intraocular lenses have two or more shallow, narrow slits formed adjacent the optical peripheries thereof. These slits may be formed in or through the preliminary intraocular lens optic itself or outside the optic in tabs, in haptic attachment regions or in plate-type haptics. The associated secondary intraocular lens optics are formed having two or more insertion tabs extending radially from the optical peripheries thereof. The secondary intraocular insertion tabs are shaped and located to penetrate corresponding ones of the primary intraocular lens slits and have wedge-shaped free end regions to facilitate slit insertion. The secondary intraocular lens provides a required power correction to the primary intraocular lens to which it is attached.

Abstract: An artificial vision system for regenerating or restoring vision of an eye of a patient includes: a power acquiring unit which is disposed inside the eye, includes a magnetic core having an opening and a coil wound around the magnetic core, and is adapted to acquire power from outside a body using electromagnetic induction; and a plurality of electrodes which is provided at a retina and is adapted to electrically stimulate cells constituting the retina.

Abstract: An intraocular lens is provided and includes a deformable optic; a pair of support posts spaced circumferentially about the optic and extending outwardly therefrom; and a pair of retaining elements for securing the lens portion within an anterior chamber of the eye by grasping a portion of an anterior surface of iris tissue. Each retaining element has flexible first and second pincer tips that are normally in an abutting or a close abutting relationship when the retaining element is in a closed position. Each retaining element is secured to the anterior surface by opening the first and second pincer tips and pinching the anterior surface of the iris tissue. The optic is coupled to the retaining elements by disposing the support posts within openings or slots that are defined in the retaining elements. The coupling between the posts and the retaining elements is such that the optic is not only securely held within the anterior chamber but also is easily removable and adjustable.

Abstract: Collars are disposed on loops of intraocular lenses for improved fixation of loops in rims of capsular bags of eyes. A collar may preferably be positioned on an outer portion of a loop and retained on the loop by an enlarged end portion of the loop.

Abstract: A foldable intraocular lens for implantation in the eye includes an optic made of a highly pliable material and a pair of fixation members made of a material that is flexible, but more rigid than the optic. The fixation members are integral with a cantilevered arm that extends radially outward from the optic. Each fixation member includes a proximal end at the outer end of the cantilevered arm, a distal end, and a flex portion intermediate the proximal and distal ends. The flex portions of the two fixation member extend generally away from one other adjacent their respective proximal ends on diametrically-opposed sides of the optic.

Abstract: An IOL described herein includes an optic and at least a first haptic and a second haptic connected to the optic and extending outwardly therefrom; each haptic is formed with either a frog leg configuration or a running leg configuration, which include a base adjacent the optic, a distal foot portion and an intermediate portion connected between the base and the distal foot, the base being connected to the intermediate portion through a first flexible elbow having an angle in a first circumferential direction relative to the to optic and the intermediate portion being connected to the distal foot portion by a second flexible elbow having an angle in a circumferential direction opposite to the first circumferential direction.

Abstract: A refractive anterior chamber iris fixated intraocular lens including an optic portion having an outer peripheral edge and two or more but preferably two haptic elements. Each haptic element is manufactured to have an inner portion and an outer free end portion for supporting the optic portion in a patient's eye. The inner portion of each haptic element is preferably permanently connected to the outer peripheral edge of the optic portion. Each haptic element also includes a tissue clasp for secure attachment of the intraocular lens to the non-mobile periphery of the iris of an eye.

Abstract: An intraocular lens having an ultrathin and highly pliable optic and relatively more rigid fixation members extending outward therefrom. The optic desirably includes a flange to which a common arm of a pair of joined fixation members attaches. The fixation members extend on opposite sides of the optic in U-shaped flex portions spanning a distance larger than the diameter of the optic. The fixation members may be flexed inward so as to overlap within the diameter of the optic and define an insertion profile of less than about 5 mm. For anterior implantation, four relatively evenly circumferentially spaced pods are provided by the pair of fixation members. The optic center desirably has a thickness of less than about 0.5 mm for meniscus type optics, and may be made of silicone, hydrophilic acrylic, or hydrophobic acrylic. The fixation members have a thickness of about 0.25 mm and are desirably made of poly methyl methacrylate (PMMA) or polyether sulfone.

Abstract: An intraocular lens having an optic and a plurality of fixation members coupled to the optic. The fixation members are adapted to flex about points located closer to the outer edge of the IOL than to the optic. The fixation members may have a converging width intermediate region projecting outward from the optic and a pair of leg portions extending generally perpendicularly thereto. The leg portions include foot members and flex radially inward with respect to the intermediate region. Because the optic and intermediate regions are relatively stable, the leg portions flex inward but the optic does not vault or bow upon a compressive fit within the surrounding eye.

Abstract: The invention is directed to a positive power anterior chamber ocular implant for placement in a phakic eye to correct refractive errors caused by hyperopia which includes at least one convex surface and means for positioning the lens in the anterior chamber of an eye, wherein contact between the lens and other anatomic bodies such as the anatomical lens, the corneal endothelium and iris is avoided, and wherein the means for positioning avoids contact with the iris.

Abstract: A deformable intracapsular implant device for shaping an enucleated lens capsule sac for use in cataract procedures and refractive lensectomy procedures. In one embodiment, the intraocular implant devices rely on thin film shape memory alloys and combine with the post-phaco capsular sac to provide a biomimetic complex that can mimic the energy-absorbing and energy-releasing characteristics of a young accommodative lens capsule. In another embodiment, the capsular shaping body is combined with an adaptive optic. The peripheral capsular shaping body carries at least one fluid-filled interior chamber that communicates with a space in a adaptive optic portion that has a deformable lens surface. The flexing of the peripheral shaping body in response to zonular tensioning and de-tensioning provides an inventive adaptive optics mechanism wherein fluid media flows between the respective chambers “adapts” the optic to increase and decrease the power thereof.

Abstract: An intraocular ring assembly and an artificial lens kit, both of which are usable for implantation in a lens capsule or capsular bag of natural eye. The intraocular ring assembly includes a first ring element having recessions therein, a second ring element, and a biasing element provided between the first and second ring elements. The artificial lens kit comprises such intraocular ring assembly and an intraocular lens to be movably supported in the recessions of the ring assembly in a coaxial relation therewith. A guide element may be provided to assist in rectilinear coaxial movement of the first and second ring elements.

Abstract: An accommodating intraocular lens is disclosed that provides vision accommodation in response to contraction of an eye's ciliary muscle. The intraocular lens comprises a deformable elastic dynamic lens having a non-accommodating surface curvature and a lens-shaping member having flexible portions in contact with peripheral edge regions of the dynamic lens for enabling compressive deformation thereof for changing the lens surface curvature to achieve accommodation. Included are an elastically flexible coil member mounted around the lens-shaping member flexible portions. A first lens-supporting member has a proximal end region that engages the flexible coil member and a second lens-supporting member has a proximal end region connected to the lens-shaping member.

Abstract: An intraocular lens for inhibiting posterior capsular opacification, or secondary cataract, includes an optic having a periphery provided with at least two sharp edges which lie radially spaced from each other with respect to the optical axis of the lens optic.

Abstract: A refractive anterior chamber iris fixated intraocular lens including an optic portion having an outer peripheral edge and two or more but preferably two, three or four balanced haptic elements. Each haptic element is of a relatively narrow arch-like form. Each haptic element is also manufactured to have an inner portion and an outer portion for supporting the optic portion in a patient's eye. The inner portion of each haptic element is permanently connected to the outer peripheral edge of the optic portion. Each haptic element also includes a fixation clamp on the outer portion thereof and a central portion located between the outer portion and the inner portion.

Abstract: An intraocular lens includes an optic for focusing light and a movement assembly coupled to the optic. The movement assembly is adapted to cooperate with the eye to effect accommodating movement of the optic. The movement assembly includes a plurality of movement members each with a proximal region coupled to the optic and an enlarged distal region. The enlarged distal region may be integral with the proximal region, or may be mechanically coupled thereto.

Abstract: Intraocular lens comprising a central optical body and haptics attached to or formed integrally with said optical body wherein the haptics are attached to the optical body via connecting members separating the haptic plane from the optical plane by a distance b which is at least half the thickness of the optical body.

Abstract: Iris fixated intraocular lenses include an optic and at least one fixation member or haptic. The fixation member is joined to the optic and has a distal segment including a through-iris portion adapted to extend through an iris hole, and an anchor portion. The anchor portion has or is adapted to have an anchor structure positioned to be disposed proximate to a side of the iris so as to be effective in fixating the intraocular lens to the iris. The anchor structure may be formed prior to inserting the intraocular lens in the eye or may be formed after the intraocular lens is inserted in the eye. Methods for inserting such intraocular lenses in the eye are also provided.

Abstract: An intraocular lens configured to be implanted in the cornea from the posterior aspect. The lens has an optic and a pair fixation members extending outward therefrom. One of the fixation members includes a single enlarged foot, while the other fixation member has two bifurcated feet. The fixation members are sized and shaped to fix within tunnels formed in the cornea. A method of the invention includes forming tunnels in the stroma layer of the cornea, and positioning the fixation members in the tunnels. The tunnels may be formed from outside or inside the cornea. The method may include inserting the folded intraocular lens into the anterior chamber, permitting the lens to unfold, inserting the fixation member with the enlarged foot in one of the tunnels, and bending the two bifurcated feet of the other fixation member together so as to fit within the other tunnel.

Abstract: An intraocular lens (1) to be placed in an anterior chamber of a patient's eye is disclosed. The intraocular lens includes: a lens part (2) with a predetermined refractive power, including a front lens surface (2a) facing toward a cornea side and a back lens surface (2b) facing toward a fundus side when the intraocular lens is placed in the anterior chamber; a support part (3) provided in an edge of the lens part (2) and with an end positioned opposite to the edge, the end being insertable into an iris to penetrate to a fundus side thereof and back to a cornea side thereof to hold the lens part (2) in the anterior chamber; and a hook (30) provided in the end of the support part (3) for preventing the support part from coming off the iris.

Abstract: A foldable intraocular lens is stored in its normal unfolded configuration within a lens storage chamber in a lens insertion instrument. The instrument includes a ram which is movable inwardly through the chamber to move the lens into and fold the lens to a compact folded configuration within a bore extending through a tubular portion of the instrument terminating in a slender tip for insertion into a patient's eye through a corneal incision in the eye and through which the folded lens is ejected into the eye by a plunger movable through the bore. An ophthalmic lens insertion kit and lens insertion package including the lens insertion instrument is disclosed.

Abstract: A refractive anterior chamber iris fixated intraocular lens including an optic portion having an outer peripheral edge and two or more but preferably two, three or four balanced haptic elements. Each haptic element is of a relatively narrow arch-like form. Each haptic element is also manufactured to have an inner portion and an outer portion for supporting the optic portion in a patient's eye. The inner portion of each haptic element is permanently connected to the outer peripheral edge of the optic portion. Each haptic element also includes a fixation clamp on the outer portion thereof and a central portion located between the outer portion and the inner portion.

Abstract: An intraoocular lens implant (10) including an optic (12) and a haptic (20). The haptic (20) includes a first portion (22) extending outwardly in a first direction from the optic (12), a second portion (26) which has an outermost end (32), extending outwardly in a second opposing direction to the first portion (22), and a bend member (24) intermediate and interconnecting the first portion (22) and the second portion (26). An end of the first portion (22) remote from the bend member (24) is connected to the optic (12) at a haptic optic junction (29) and the outermost end (32) of the second portion (26) is located on a side of the haptic optic junction (29) opposite to the side on which the bend member (24) is located.

Abstract: Artificial eye lenses which are to be replaced against the muddy natural lenses during a cataract operation, obtain a more efficient and sensitive accommodation with a quick and sufficient pull back power, if the centralizing spring haptics show a z-similar shape with a large square stone bridge.

Abstract: A two part IOL with a generally “L” or “S” shape but featuring straight or curved “V”-shaped structures which can be inserted through a very small opening by flexing the arms of the “V”-shaped structures up to or over each other is described. This IOL may be used in the anterior or posterior chamber of the eye for phakic or aphakic lenses. After insertion of the haptic into the eye, any type of lens may be attached, especially by use of cleats.

Abstract: An intraocular lens configured to be implanted in the cornea from the posterior aspect. The lens has an optic and a pair fixation members extending outward therefrom. One of the fixation members includes a single enlarged foot, while the other fixation member has two bifurcated feet. The fixation members are sized and shaped to fix within tunnels formed in the cornea. A method of the invention includes forming tunnels in the stroma layer of the cornea, and positioning the fixation members in the tunnels. The tunnels may be formed from outside or inside the cornea. The method may include inserting the folded intraocular lens into the anterior chamber, permitting the lens to unfold, inserting the fixation member with the enlarged foot in one of the tunnels, and bending the two bifurcated feet of the other fixation member together so as to fit within the other tunnel.

Abstract: The invention provides an anterior chamber implant for treating a phakic eye having an optical part connected to loops. The loops have an arc-shaped profile with a double radius of curvature. The radius of curvature of the proximal portion being greater than that of the distal portion.

Abstract: There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The anterior portion and posterior portion meet at first and second apices of the intraocular lens. The anterior portion and the posterior portion and/or the apices are responsive to force thereon to cause the separation between the viewing elements to change. Additional embodiments and methods are also disclosed.

Abstract: The invention relates to an adjustable intraocular lens with a lens body 1, haptic arms 3 for fixing the lens body 1 in the eye, and an adjustment means for moving the lens body 1 relative to the haptic arm 3 in the direction of the optic axis 27 of the lens body 1 and for adjusting the extent of the movement. The haptic arms 3 are each directly connected to the lens body 1 via one of their ends. The haptic arms 3 preferably have a bifurcation 31, 33, and only one of the two fork ends 31 is connected to the lens body 1. The adjustment means, preferably with an adjusting screw 37, is screwed through one of the two fork ends 31, 33, and changes the distance between the two fork ends 31, 33. The intraocular lens according to the invention is easy and inexpensive to produce.

Abstract: The present disclosure relates generally to a refractive anterior chamber ocular implant for placement in the anatomic angle of a phakic eye, the implant having an artificial lens or optic with an anterior surface and a posterior surface and having a haptic for engaging and positioning the optic in the anatomic angle, wherein the haptic possesses in an extension pad that extends and tapers in thickness from the haptic in an axial direction. The disclosure is further directed to methods for correcting refractive errors in a patient in need thereof having a phakic eye and an anatomic angle by surgically implanting an angle supported anterior chamber ocular implant having an optic with the desired refractive properties and a haptic having an extension pad that extends and tapers in thickness from the haptic in an axial direction, and anchoring the extension pad into the anatomic angle of the eye.

Abstract: An intraocular lens has an optic and two fixation members. Each fixation member has at least one connecting element and a pincer element. The pincer element has a side region with a central portion and opposed end portions. The pincer element further has a pair of pincer arms attached end-to-end from respective opposed end portions of the side region. In one embodiment, the side region has a first location disposed closer to the optic than the pincer gap and a second side region disposed further from the optic than the pincer gap. The distance of both side regions to the central-most portion of the pincer gap is substantially identical.

Abstract: There is disclosed an accommodating intraocular lens for implantation in an eye having an optical axis. The lens comprises an anterior portion which in turn comprises an anterior viewing element and an anterior biasing element. The lens further comprises a posterior portion which in turn comprises a posterior viewing element in spaced relationship to the anterior viewing element and a posterior biasing element. The anterior portion and posterior portion meet at first and second apices of the intraocular lens. The anterior portion and the posterior portion and/or the apices are responsive to force thereon to cause the separation between the viewing elements to change. Additional embodiments and methods are also disclosed.

Abstract: A refractive intraocular lens and method of locating the lens within the eye and attaching the lens to the iris. The refractive intraocular lens may be attached via staples, a fastener or by the tip of the haptics.