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7622512 |
Cationic hydrophilic siloxanyl monomers
The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers...
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7601766 |
Carboxylic siloxanyl monomers with pendant polymerizable groups
The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain carboxylic monomers...
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7476398 |
Corneal implant and uses thereof
A membrane for corneal implant or keratoprosthesis comprising a biological polymer and a polyacrylamide is described. The mixture of both polymers produces a hydrogel that becomes a transparent...
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7476248 |
Method of calculating the required lens power for an opthalmic implant
A method for calculating the required cylindrical power of a toric implant by using both the measured pre-operative corneal/ocular astigmatism and the predicted surgically-induced astigmatism. The...
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7402175 |
Vision prosthesis orientation
A vision prosthesis includes an optical element having a surface that is shaped to be positioned near a cornea of an eye, and a magnetic element embedded in the optical element.
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7354980 |
High refractive index polymers for ophthalmic applications
This invention relates to novel copolymers preferably for intraocular lenses (“IOL”), contact lens, and other ophthalmic and optical applications. This invention, in one aspect, relates to...
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7323010 |
Biomaterial including animal corneal tissue
Biomaterial including tissues basically obtained from an animal cornea, in particular, from a fish cornea. A cardiac valve ( 10 ) which may envisage at least one cusp ( 15 ) made with an organic...
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7287852 |
Intra-ocular lens or contact lens exhibiting large depth of focus
Circular and annular lens zones are disclosed which, at a given lens area, exhibit a depth of focus of a lens of considerably smaller area. The large depth of focus is achieved by imparting the...
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7060288 |
Biomedical devices
The present invention is concerned with biomedical device comprising
(a) a biocompatible organic or inorganic bulk material and (b) a coating comprising polymerizable carbon-carbon double...
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7008447 |
Method for producing a multifocal corneal surface using intracorneal microscopic lenses
A method for correcting vision of an eye, including the steps of separating a portion of the cornea to form first and second internal surfaces in the cornea, and then placing at least one...
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7001374 |
Adjustable inlay with multizone polymerization
The present invention relates to an inlay for correcting refractive error in an eye. The inlay includes a first portion having a first volume that remains substantially constant when exposed to an...
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6893461 |
System for packaging and handling an implant and method of use
A system designed to store an implant together with the tools necessary to implant the stored implant, and a method of using said system. Such system includes an implant storage tool adapted to...
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6880558 |
Method of lifting an epithelial layer and placing a corrective lens beneath it
This relates to a lens made of donor corneal tissue suitable for use as a contact lens or an implanted lens, to a method of preparing that lens, and to a technique of placing the lens on the eye....
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6875232 |
Corneal implant and method of manufacture
Prosthetic implants designed to be implanted in the cornea for modifying the cornea curvature and altering the corneal refractive power for correcting myopia, and myopia with astigmatism, such...
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6855163 |
Gradual correction of corneal refractive error using multiple inlays
A system adapted to modify refractivity of a cornea of an eye, including a first component, and adapted to be implanted at a first depth in the cornea. A second component, separate from the first...
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6789544 |
Modified penetrating keratoplasty method
A method of performing a penetrating keratoplasty in a living eye positions a full-thickness corneal graft obtained from a corneal donor in a full-thickness open bed in the recipient's cornea. The...
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6786926 |
Method and apparatus for alignment of intracorneal inlay
A method of correcting refractive error in an eye, comprising the steps of marking at least one axis on the surface of the cornea. A portion of the cornea is then separated, forming a first...
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6767934 |
Macromolecular compounds
Macromolecular photocrosslinkers have polymeric backbones of substituted siloxane groups carrying photoactive groups. When exposed to light of wavelength above 305 nm, the photocrosslinkers are...
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6747090 |
Compositions capable of forming hydrogels in the eye
The invention related to a hydrogel forming aqueous composition of water soluble polymers having a sufficiently high coherency that it substantially not is dispersed when being injected into an...
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6733526 |
Method of improving adherence and centering of intra-corneal implants on corneal bed
A partially hydrated lens is provided for implantation into a cornea. The partially hydrated lens has a water content less than the water content of the cornea, resulting in an osmotic pressure...
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6723089 |
Device for the shaping of a substance on the surface of a cornea
A device for helping to correct imperfections of a cornea includes a molding lens. The molding lens includes an external surface having a concave shape to correspond to the desired shape of the...
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6712847 |
Scleral expansion segment
The disclosure concerns a scleral expansion segment of the type consisting of an arched rod designed to be placed on the sclera perpendicular to the ciliary body. The free ends of said rod have a...
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6689165 |
Surface modifications for enhanced epithelialization
A synthetic device for cornea augmentation and replacement that increases corneal epithelium cell adhesion and migration. Using tethered extracellular matrix proteins (ECMPs), corneal growth...
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6645715 |
Artificial cornea
The invention provides an in vitro avascular human corneal equivalent that comprises immortalized human cell lines. As these corneal equivalents are in vitro models, they are maintained in an...
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6551306 |
Refractive laser ablation through topography
A method and system control the depth of corneal ablation during optical surgery by mapping the anterior and posterior surfaces of a patient's cornea to obtain full pachymetric topographical...
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6543453 |
Methods of refractive correction of the eye
A method of changing the shape and/or size of an intracorneal ring in situ. The intracorneal ring can be a lens. Preferably, the intracorneal ring is made of a collagen-based polymer material such...
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6541572 |
Method of making high refractive index ophthalmic device materials
Disclosed is a two-step method of making soft, high refractive index, acrylic ophthalmic device materials. In the first step, a copolymer containing pendant oxirane groups is formed by...
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6508837 |
Segmented pre-formed intrastromal corneal insert
This invention is a pre-formed intrastromal corneal insert. It is made of a physiologically compatible polymer and may be used to adjust corneal curvature and thereby correct vision abnormalities....
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6454800 |
Corneal onlay
A corneal onlay or corneal implant is disclosed which is to be placed within or onto the surface of the cornea, being a biocompatible, optically transparent, synthetic and biostable polymeric...
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6423093 |
Method of insertion of keratoprostheses
Disclosed is a method of insertion of keratoprostheses, and in particular, a method of surgical insertion and placement of a soft hydrogel prosthetic corneal device into the host cornea. The method...
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6326019 |
Grafts made from amniotic membrane; methods of separating, preserving, and using such grafts in surgeries
A method for making, storing and using a surgical graft from human amniotic membrane; the resulting graft; and the storage solution. The amniotic membrane is obtained from human placenta, from...
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6228113 |
Intracorneal astigmatic onlay
An intracorneal astigmatic, rectangular onlay has been discovered that can correct for astigmatism by physically adjusting the shape of the cornea. This astigmatic onlay can be narrow or wide and...
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6221067 |
Corneal modification via implantation
A method for modifying the curvature of a live cornea to correct a patient's vision. The live cornea is first separated into first and second opposed internal surfaces. Next, a laser beam or a...
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6206919 |
Method and apparatus to correct refractive errors using adjustable corneal arcuate segments
A method and apparatus for adjusting corneal curvature of the eye comprising an adjustable corneal arcuate segment or segments which is implantable into the cornea. The arcuate segment is a...
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6171336 |
Method, implant, and apparatus for refractive keratoplasty
A method, implant, and apparatus to alter the refractive power of the cornea. The method involves creation of radial, intrastromal corneal incisions and insertion of semirigid, biocompatible...
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6159241 |
Method and apparatus for adjusting corneal curvature using multiple removable corneal implants
Methods are disclosed for adjusting corneal curvature to correct the refractive error of an eye. The method comprises a first corrective event in which the corneal curvature is adjusted to correct...
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6139334 |
Integral socket backplate
A backplate assembly that is mounted to a reflector and lens includes a base panel. The base panel includes a conductor for conducting electricity and at least one separately molded lamp socket...
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6138307 |
Corneal intra-stromel prostheses
In the method of distorting at least one of the anterior and posterior surfaces of the cornea so as to alter the dioptric power of the cornea to favorably alter the refraction of light rays so as...
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6136334 |
Medical uses of in situ formed gels
Balanced pH, hyperosmotic, hypoosmotic, or isoosmotic gels are ideal vehicles for drug delivery. They are especially suited for topical body cavity or injection application of drugs or diagnostic...
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6090141 |
Small intracorneal lens
An intracorneal lens that is inserted between stromal layer of a cornea of an eye, and provides two distinct regions of focality. The lens includes a central region with a thinner wall and a...
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6079417 |
Method of altering the shape of the cornea of the eye
A method and device for reshaping cornea 12 wherein radially orientated microintubation channels 32 are surgically created in corneal stroma 30 with surgical microinstrumentation after which...
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6055990 |
Polymerizing gel intrakeratophakia-PGI
A method, materials, and medical devices are disclosed for providing an intralamellar insert between opposing layers formed in the cornea. Upon preparing the cornea by partially separating a flap...
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6050999 |
Corneal implant introducer and method of use
A device for introducing a corneal implant into a cornea of a human eye. The device includes a body, a member coupled thereto, and a guide portion. The body has a distal end and a proximal end. The...
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5945498 |
Polysiloxane-comprising perfluoroalkyl ethers and the preparation and use thereof
The present invention describes a free radical polymerizable segmented macromonomer based on perfluoroelkyl ether, polysiloxane and divalent organic segments. This macromoner can be polymerized and...
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5944752 |
Astigmatic correcting intrastromal corneal insert
This implant is an intrastromal corneal insert ("ICR") which is not uniform in dimension. It has, typically, two or more raised areas (or areas of additional bulk) spaced apart from each other on...
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5843185 |
Keratoprosthesis and method of corneal replacement
An improved keratoprosthesis, to be utilized to enhance a patient's vision, which includes an optical support segment structured to be disposed on an eyeball of the patient and containing an...
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5713956 |
Microporous support for a keratoprosthesis
A keratoprosthesis support made of EPTFE provides the connection between the corneal prosthesis and the eyeball. The thickness of the expanded polytetrafluoroethylene is about 0.2 mm, and its...
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5695509 |
Aspherical optical molds for continuous reshaping the cornea based on topographical analysis
Continuous, aspheric optical molds for reshaping the surface of the cornea having an inner concave surface matched to the topography of the cornea. The curvatures of the molds are modified from a...
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5674283 |
Implantable ophthalmic lens, a method of manufacturing same and a mold for carrying out said method
An implantable ophthalmic lens manufactured at least partly out of soft, elastic and pliable material substantially in the shape of a saucer is described. It includes an outer optical face forming...
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5522887 |
Eye implant device and method
A mechanism and method for filling the vacated eyesocket of a deceased person after an eyeball has been donated. A plurality of different sized implant members are positioned within each other, and...
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