Abstract: A process for producing silicone-containing prepolymers capable of absorbing blue light for use in the production of relatively high refractive index polymeric compositions is described herein. Polymeric compositions so produced are useful in the production of ophthalmic devices such as for example intraocular lenses and corneal inlays.

Abstract: The present invention provides extended depth of field to human eyes by modifying contact lenses, intraocular implants, and/or the surface of the eye itself. This may be accomplished by applying selected phase variations to these optical elements (e.g., by varying surface thickness of the cornea of the eye). The phase variations EDF-code the wavefront and cause the optical transfer function to remain essentially constant within a range of distances from the in-focus position. This provides a coded image on the retina. The human brain decodes this coded image, resulting in an in-focus image over an increased depth of field.

Abstract: A method and apparatus for increasing the depth of focus of the human eye is comprised of a lens body, an optic in the lens body configured to produce light interference, and a pinhole-like optical aperture substantially in the center of the optic. The optic may be configured to produce light scattering or composed of a light reflective material. Alternatively, the optic may increase the depth of focus via a combination of light interference, light scattering, light reflection and/or light absorption. The optic may also be configured as a series of concentric circles, a weave, a pattern of particles, or a pattern of curvatures. One method involves screening a patient for an ophthalmic lens using a pinhole screening device in the lens to increase the patient's depth of focus. Another method comprises surgically implanting a mask in the patient's eye to increase the depth of focus.

Abstract: An intraocular lens implantable in an eye includes an optic for placement in the capsular bag of the eye and for directing light toward the retina of the eye. The optic has a central optical axis, an anterior face, an opposing posterior face and a peripheral edge between the faces. The peripheral edge has one or more curved or angled surfaces that reduce glare within the IOL. For instance, a rounded transition surface on the anterior side of the peripheral edge diffuses the intensity of reflected light, or a particular arrangement of straight edge surfaces refracts the light so as not to reflect, or does not reflect at all. The intersection of the peripheral edge and at least one of the anterior face and the posterior face, preferably both of such faces, forms a peripheral corner located at a discontinuity between the peripheral edge and the intersecting face or faces.

Abstract: A foldable intraocular lens with an iris diaphragm (2) for covering an aniridia. The iris diaphragm can thus be based upon a natural iris. The diaphragm essentially comprises a film, printed with a pigment, provided with a sealing layers and completely embedded in the transparent lens material.

Abstract: A high-myopia intraocular lens (IOL) for anterior-chamber implantation is constructed as a single, integral unit with an optic portion in the shape of a substantially circular concave lens, an annular flange portion extending radially outwards from the circumference of the optic portion, and haptic elements for fixating the IOL in its implanted position. The annular flange is substantially impervious to light and has an outside diameter at least as large as the aperture diameter of a dilated pupil of the eye. The circumferential surface of the optic portion is substantially light-impervious as well as non-reflective. The IOL is at least in part foldable to facilitate surgical implantation in the eye through a small incision.

Abstract: An intraocular lens for inhibiting PCO and glare includes an optic having a periphery provided with a sharp edge which presses against the posterior capsule wall thereby creating a barrier to LEC migration. While the sharp edge forms a 90° angle, the anterior peripheral surface portion extends along an arc which directs incident light striking the edge of the lens away from the retina.

Abstract: An IOL implantable in an eye comprising an optic having an optical portion for directing light toward the retina of the eye and a cell barrier portion for inhibiting cell growth from the eye in front of or in back of the optical portion. The cell barrier portion circumscribes the optical portion, is incapable of focusing light on the retina and includes an irregularly configured structure, for example, irregular grooves. At least one elongated fixation member is coupled to the optic for use in fixing the optic in the eye.

Abstract: Apparatus and methods for protecting the edge geometry of an intraocular lens during polishing are disclosed. The apparatus comprises a protective device having a cavity configured to receive the lens and an annular peripheral portion for surrounding and protecting at least one edge corner of the lens. In one embodiment, the peripheral portion has a constant inner diameter and receives the lens in an interference fit. In another embodiment, the lens is trapped between flanges which extend radially inwardly from the peripheral portion. A lens that is encased in the protective device will have a polished central portion and an unpolished peripheral portion after the polishing process has been completed and the protective device has been removed.

Abstract: A narrow profile, glare reducing, posterior chamber intraocular lens comprises an optic having an anterior surface and a posterior surface and an optical axis. The posterior surface is formed having two adjacent peri-axial, stepped imaging zones, the two imaging zones having the substantially the same optical power. A transition zone between the two imaging zones preferably has a surface of continuous curvature shaped to reduce direct glare from light incident on the transition zone in an individual's eye in which the intraocular lens is implanted by internal reflection of direct light incident on the transition zone. Attachment members joined to the optic position the intraocular lens in an eye with the optical axis of the optic generally aligned with the optical axis of the eye. In variations, the transition zones are formed at the optic edge to minimize direct and indirect in the eye of an individual wearing the intraocular lens.

Abstract: An intraocular lens implantable in an eye includes an optic for placement in the capsular bag of the eye and for directing light toward the retina of the eye. The optic has a central optical axis, an anterior face, an opposing posterior face and a peripheral edge between the faces. The peripheral edge has one or more curved or angled surfaces that reduce glare within the IOL. For instance, a rounded transition surface on the anterior side of the peripheral edge diffuses the intensity of reflected light, or a particular arrangement of straight edge surfaces refracts the light so as not to reflect, or does not reflect at all. The intersection of the peripheral edge and at least one of the anterior face and the posterior face, preferably both of such faces, forms a peripheral corner located at a discontinuity between the peripheral edge and the intersecting face or faces.

Abstract: A narrow profile, glare reducing, refractive mono-focal intraocular lens is described that comprises an optic having an anterior surface and a posterior surface and an optical axis. One of the anterior and posterior surfaces is formed having two adjacent peri-axial, stepped imaging zones, the two imaging zones having the substantially the same optical power that is preferably outside the −5 to +5 diopter range. A transition zone between the two imaging zones preferably has a continuously variable surface curvature that reduces both indirect glare (caused by light refraction) and direct glare (caused by light diffraction) in an individual's eye in which the intraocular lens is implanted. The transition zone surface may alternatively be continuously curved or variably curved to reduce direct glare and indirect glare, respectively. Attachment members joined to the optic position the intraocular lens in an eye with the optical axis of the optic generally aligned with the optical axis of the eye.

Abstract: An intraocular lens implantable in an eye includes an optic for placement in the capsular bag of the eye and for directing light toward the retina of the eye. The optic has a central optical axis, an anterior face, an opposing posterior face and a peripheral edge between the faces. The peripheral edge has one or more curved or angled surfaces that reduce glare within the IOL. For instance, a rounded transition surface on the anterior side of the peripheral edge diffuses the intensity of reflected light, or a particular arrangement of straight edge surfaces refracts the light so as not to reflect, or does not reflect at all. The intersection of the peripheral edge and at least one of the anterior face and the posterior face, preferably both of such faces, forms a peripheral corner located at a discontinuity between the peripheral edge and the intersecting face or faces.

Abstract: An intraocular lens implantable in an eye includes an optic for placement in the capsular bag of the eye and for directing light toward the retina of the eye. The optic has a central optical axis, an anterior face, an opposing posterior face and a peripheral edge between the faces. The peripheral edge has one or more curved or angled surfaces that reduce glare within the IOL. For instance, a rounded transition surface on the anterior side of the peripheral edge diffuses the intensity of reflected light, or a particular arrangement of straight edge surfaces refracts the light so as not to reflect, or does not reflect at all. The intersection of the peripheral edge and at least one of the anterior face and the posterior face, preferably both of such faces, forms a peripheral corner located at a discontinuity between the peripheral edge and the intersecting face or faces.

Abstract: An intraocular lens implant including a telescope body defining an optical path for light to pass therethrough, at least one lens attached to the telescope body, mounting structure connected to the telescope body for mounting the implant in an eye, and an optical blocker disposed in the implant outside of the optical path which minimizes a transmission of light outside the optical path but does not impede transmission of light through the optical path.

Abstract: The present invention provides extended depth of focus (EDF) to human eyes by modifying contact lenses, interocular implants, or the surface of the eye itself. This is accomplished by applying selected phase variations to the optical element in question (for example, by varying surface thickness). The phase variations EDF-code the wavefront and cause the optical transfer function to remain essentially constant within some range away from the in-focus position. This provides a coded image on the retina. The human brain decodes this coded image, resulting in an in-focus image over an increased depth of focus.

Abstract: A deformable intraocular lens having frosted and/or colored haptic portions. The frosted haptic portions increase the frictional resistance to movement or rotation within the inner structure of the eye once implanted.

Abstract: An intraocular lens implantable in an eye includes an optic for placement in the capsular bag of the eye and for directing light toward the retina of the eye. The optic has a central optical axis, an anterior face, an opposing posterior face and a peripheral edge between the faces. The peripheral edge has one or more curved or angled surfaces that reduce glare within the IOL. For instance, a rounded transition surface on the anterior side of the peripheral edge diffuses the intensity of reflected light, or a particular arrangement of straight edge surfaces refracts the light so as not to reflect, or does not reflect at all. The intersection of the peripheral edge and at least one of the anterior face and the posterior face, preferably both of such faces, forms a peripheral corner located at a discontinuity between the peripheral edge and the intersecting face or faces.

Abstract: The invention relates to a foldable intraocular lens with an iris diaphragm (2) for covering an aniridia. The iris diaphragm can thus be based upon a natural iris. The diaphragm essentially comprises a film (2′), printed with a pigment, provided with a sealing layer (2″) and completely embedded in the transparent lens material (1′).

Abstract: An intraocular lens with low surface-glare. The intraocular lens is constructed to preferably have a equi-biconvex optic form and a positive anterior optic surface radius of curvature less than 20 mm or greater than 33 mm. The intraocular lens of the present invention having the described construction minimizes or eliminates unwanted optical images and/or glare.

Abstract: A narrow profile, glare reducing, refractive mono-focal intraocular lens is described that comprises an optic having an anterior surface and a posterior surface and an optical axis. One of the anterior and posterior surfaces is formed having two adjacent peri-axial, stepped imaging zones, the two imaging zones having the substantially the same optical power that is preferably outside the −5 to +5 diopter range. A transition zone between the two imaging zones preferably has a continuously variable surface curvature that reduces both indirect glare (caused by light refraction) and direct glare (caused by light diffraction) in an individual's eye in which the intraocular lens is implanted. The transition zone surface may alternatively be continuously curved or variably curved to reduce direct glare and indirect glare, respectively. Attachment members joined to the optic position the intraocular lens in an eye with the optical axis of the optic generally aligned with the optical axis of the eye.

Abstract: An intraocular lens implantable in an eye includes an optic for placement in the capsular bag of the eye and for directing light toward the retina of the eye. The optic has a central optical axis, an anterior face, an opposing posterior face and a peripheral edge between the faces. The peripheral edge has one or more curved or angled surfaces that reduce glare within the IOL. For instance, a rounded transition surface on the anterior side of the peripheral edge diffuses the intensity of reflected light, or a particular arrangement of straight edge surfaces refracts the light so as not to reflect, or does not reflect at all. The intersection of the peripheral edge and at least one of the anterior face and the posterior face, preferably both of such faces, forms a peripheral corner located at a discontinuity between the peripheral edge and the intersecting face or faces.

Abstract: Hydrophilic coatings for implantable ophthalmic lenses are disclosed. The coatings, which are applied to the edge surface of the ophthalmic lens, comprise a hydrophobic (meth)acrylic polymer and a hydrophilic polymer. When hydrated, the coatings reduce or eliminate edge glare.

Abstract: The present invention relates to an intraocular correction lens for implantation in the posterior chamber of the eye between the iris and the intact natural lens. The lens has a concave posterior surface which is part of a non-spherical surface that is rotation symmetric around the optical axis of said optical part, wherein the intersection between said non-spherical surface and any plane containing the optical axis of the lens represents a flawless curve free from discontinuities and points of inflection. The invention also relates to methods of selecting correction lenses based on estimations of the individual eye in need of vision correction and thereby arriving with a correction lens with a high safety for wearer with respect to surrounding eye tissues.

Abstract: An IOL that is free of glare and the halo effect associated with conventional IOLs and a method for using the same is provided. The IOL is adapted for implantation into an eye, in place of or in addition to the natural lens of the eye, to adjust a refractive power of an eye. The IOL includes at least one lens portion and a light-absorbing material. The lens portion has first and second surfaces and a perimeter connecting the first and second surfaces which extends entirely about the lens portion. The first and second surfaces can have any suitable shape to provide the lens portion with a suitable refractive power. The light-absorbing material is disposed to absorb light propagating in a direction towards the perimeter to thus eliminate glare and the halo effect caused by such light. One or more haptics, which include a light absorbing material, can be attached to the lens portion for mounting the IOL in the eye.

Abstract: An IOL that is free of glare and the halo effect associated with conventional IOLs and a method for using the same is provided. The IOL is adapted for implantation into an eye, in place of or in addition to the natural lens of the eye, to adjust a refractive power of an eye. The IOL includes at least one lens portion and a light-absorbing material. The lens portion has first and second surfaces and a perimeter connecting the first and second surfaces which extends entirely about the lens portion. The first and second surfaces can have any suitable shape to provide the lens portion with a suitable refractive power. The light-absorbing material is disposed to absorb light propagating in a direction towards the perimeter to thus eliminate glare and the halo effect caused by such light. One or more haptics which include a light absorbing material can be attached to the lens portion for mounting the IOL in the eye.

Abstract: An opthalmic lens and a method of making is disclosed. The lens has a one-piece lens body with an integral edge surface. The edge surface reflects visible light which contacts the edge surface away from the retina of the patient. The edge surface has beveled portions or a curve of a convex form. The bevels or convex form are displayed on the edge by milling with a milling cutter having a shape matching that desired on the edge. This lens design reduces glare seen by the patient caused when incident light contacts the edge surface and is undesirably reflected onto the retina.

Abstract: A process for imparting a glare resistant zone to an intraocular implant such as an intraocular lens using a highly regulated spray of an abrasive material. The spray is preferably of air and aluminum oxide, which may be washed from the intraocular implant during cleaning and polishing thereof. The process is suitable for any machinable intraocular lens material such as acrylates, methacrylates and hydrogels.

Abstract: An IOL implantable in an eye comprising an optic having an optical portion for directing light toward the retina of the eye and a cell barrier portion for inhibiting cell growth from the eye in front of or in back of the optical portion. The cell barrier portion circumscribes the optical portion, is incapable of focusing light on the retina and includes an irregularly configured structure, for example, irregular grooves. At least one elongated fixation member is coupled to the optic for use in fixing the optic in the eye.

Abstract: A multifocal artificial ocular lens has at least two corrective areas, namely a near vision area to correct near vision and a distance vision area to correct distance vision. The transparency of the lens varies in inverse proportion to its illumination. A photochromic substance is incorporated into the material of the lens, which improves optical performance. Applications include central near vision contact lenses.