|| List of recent Contact Lens-related patents
| Contact lenses made with hema-compatible polysiloxane macromers|
Optically clear silicone hydrogel contact lenses are described that comprise a polymeric lens body that is the reaction product of a polymerizable composition comprising at least 25 wt. % of at least one hydroxyalkyl methacrylate; and at least 20 wt.
| Laser confocal sensor metrology system|
The present invention provides apparatus for a non-contact method of obtaining accurate three-dimensional measurements of a dry contact lens, more specifically, using dry lens metrology to know the exact thickness of a contact lens.. .
| Method and apparatus of forming a translating multifocal contact lens having a lower-lid contact surface|
The present invention discloses a translating multifocal contact lens including one or both of multiple optic zones and a lower-lid contact surface, and method steps and apparatus for implementing the same. In preferred embodiments, a translating multifocal lens may be free-formed comprising a lower-lid contact surface capable of limiting the amount of translation of a lens across a surface of an eye when an eye changes from one optic zone to another..
| Compliant dynamic translation zones for contact lenses|
A contact lens incorporating one or more compliant dynamic translation zones fabricated from a material that is readily deformable under eyelid pressure during blinking and which allows for the control over translation of the contact lens on the eye. The one or more compliant dynamic translation zones provide for the comfortable relative movement of the contact lens over the eye..
| Methods and apparatus for forming a translating multifocal contact lens|
The present invention discloses a translating multifocal contact lens including one or more of multiple optic zones, a lower-lid contact surface, and an under-lid support structure and method steps and apparatus for implementing the same. In preferred embodiments, a translating multifocal lens with at least a portion of one surface may be free-formed comprising one or both of a lower-lid contact surface and an under-lid support structure capable of limiting the amount of translation of a lens across a surface of an eye when an eye changes from one optic zone to another..
|Contact lens with a hydrophilic layer|
Embodiments of the technology relate to a contact lens having a core that is covalently coated by a hydrogel layer, and to methods of making such a lens. In one aspect, embodiments provide for a coated contact lens comprising a lens core comprising an outer surface; and a hydrogel layer covalently attached to at least a portion of the outer surface, the hydrogel layer adapted to contact an ophthalmic surface, wherein the hydrogel layer comprises a hydrophilic polymer population having a first peg species and a second peg species, the first peg species being at least partially cross-linked to the second peg species..
|Usage compliance indicator for contact lenses|
An ophthalmic lens incorporating a usage compliance indicator may be utilized to indicate when the lens should be discarded or otherwise treated. The usage compliance indicator comprises a material that is clear when the lens is removed from its packaging and transforms to a visible marking over a given period of time corresponding to the manufacturer's suggested usable time.
|Rugate optical lens to prevent macular degeneration|
An improved lens with rugate filter specifically designed to be worn in prescription and non-prescription glasses, contact lenses, intraocular lenses and sunglasses, and to provide protection against macular degeneration by reducing harmful visible blue light transmission and ocular photochemical damage. The lens at least includes a single lens layer with a rugate filter deposited thereon to selectively block visible blue light.
|Silicone hydrogel contact lenses|
Silicone hydrogel contact lenses are formed from the reaction product of a polymerizable composition comprising at least one acrylate-containing siloxane monomer, at least one hydrophilic vinyl-containing monomer, and at least one vinyl-containing cross-linking agent. The contact lenses have ophthalmically-acceptable ionoflux values and surface wettability, and can be manufactured without the use of volatile organic solvents..
|Contact lens use in the treatment of an ophthalmologic condition|
The disclosure relates to the use of contact lenses for treating ophthalmologic conditions, such as presbyopia, induced myopia, computer vision syndrome, insufficient accommodation, or a condition associated with insufficient accommodation. The contact lens may be selected based on a measured sagittal depth and/or eccentricity of the cornea.
|Curable colored inks for making colored silicone|
The present invention provides an actinically or thermally curable ink for making colored silicone hydrogel contact lenses. The ink of the invention comprises at least one colorant, a solvent and a binder polymer including ethylenically unsaturated groups and segments derived from at least one silicone-containing vinylic monomer or macromer.
|Methods for preventing or treating eye diseases using adiponectin|
A composition for preventing or treating an eye disease includes adiponectin as an active ingredient. Adiponectin as an active ingredient is eventually revealed to show prevention or therapeutic efficacies for eye diseases such as dry eye (syndrome), inflammatory eye disease and side effects due to the use of contact lenses by promoting tear secretion, alleviating ocular surface irregularities, decreasing inflammatory cytokines on the ocular surface and lacrimal gland, and increasing conjunctival goblet cell density.
|Lens incorporating myopia control optics and muscarinic agents|
Ophthalmic devices, such as contact lenses, may incorporate myopia control optics in combination with therapeutic agents also known to control myopia to create a drug delivery mechanism to inhibit or arrest the progression of myopia in individuals. Any number of contact lenses incorporating myopia control optics may be combined with a therapeutic agent such as atropine, atropine sulphate monohydrate, and/or pirenzepine.
|Inversion marking for contact lenses|
An ophthalmic lens incorporating clearly identifiable, highly visible inversion marking(s) that become invisible when placed on the eye may be utilized to allow an individual to easily distinguish between the normal state of the lens and the inverted state of the lens. The ophthalmic lens comprises a thin material layer capable of changing its optical state from diffusive light scattering, colored, or both, to invisible transparent at the corneal temperature of a normal person, at the influence of ambient light, or a combination thereof..
|Contact lens manufacturing method|
In manufacturing a contact lens, a contact lens mould arrangement in which the engagement between the mould halves is unconstrained and at least one mould half is sufficiently pliable or flexible that during the curing of the contact lens composition at one mold half may move or flex relative to the other to define a post-cure mould cavity of smaller volume than the pre-cure mould cavity and during which the curvatures of the first and/or second mould surfaces are allowed to change provides a significantly more efficient manufacturing process and enables one mould half to be readily utilized as a blister cup for contact lens packaging.. .
|Hydrogel monomer mix containing added water|
Provided herein is a polymerized product formed of a polymerized monomer mixture comprising intentionally added water and at least one hydrophilic monomer wherein the monomer mix does not contain any silicon containing materials. The polymerized monomer mixture of the invention herein is useful in many biomaterial applications.
|Limited use, self-destructive contact lens case|
A contact lens storage case of limited life and predetermined usage to further the safe and effective use of contact lenses by ensuring patient compliance through both limiting case use over a set period of time and discouraging reuse and topping-off of the disinfecting and storage solution. Generally, the self-destruction consists of the case developing a leak in a pre-determined fashion as a result of the change in properties of a material in a limited area of the case following exposure of the case to the storage solution..
|Contact lens dispensing apparatus|
A contact lens dispensing apparatus may include a container with a lid that removably seals the container, a cradle that cradles a contact lens, and a lifting mechanism connected to the cradle and the lid. The container and lid may collectively form a blister pack with the contact lens sealed therein.
|Silicone hydrogel contact lenses|
Silicone hydrogel contact lenses are described. The lenses are derived from a polymerizable composition including 30-60 unit parts by weight of a hydrophilic monomer(s) having one n-vinyl group, 10 to 50 unit parts by weight of 2-hydroxyethyl methacrylate (hema), and a first siloxane monomer component comprising a siloxane monomer of formula (1) as described herein or a siloxane monomer of formula (2) as described herein or a siloxane monomer of formula (3) as described herein or any combination thereof, where the total amount of siloxane monomer(s) present in the polymerizable composition is from 15 to 40 unit parts by weight.
|Extended wear ophthalmic lens|
A method for making a silicone hydrogel contact lens is provided. In one embodiment, a prepolymer mixture is polymerized in a lens mold in an atmosphere having less than about 10000 ppm oxygen to form a silicone hydrogel contact lens suitable for extended wear as characterized by producing less than 10% corneal swelling after a period of continuous wear of 7 days including normal sleep periods.
|Wettable silicone hydrogel contact lenses|
Silicone hydrogel contact lenses are formed from the reaction product of a polymerizable composition comprising at least one acrylate-containing siloxane monomer, at least one hydrophilic vinyl-containing monomer, and at least one vinyl-containing cross-linking agent, wherein the polymerizable composition has a molar ratio of total amount of hydrophilic vinyl-containing monomer to total amount of acrylate-containing siloxane monomer of from 5:1 to 30:1, respectively. The silicone hydrogel contact lenses have good manufacturing processability, can be manufactured without the use of alcohol solvents, and have excellent surface wettability..
|High water content silicone hydrogel contact lenses|
Wherein m of formula (1) represents one integer from 3 to 10, n of formula (1) represents one integer from 1 to 10, r1 of formula (1) is an alkyl group having from 1 to 4 carbon atoms, and each r2 of formula (1) is independently either a hydrogen atom or a methyl group; the lenses also include units derived from a second siloxane monomer having a number average molecular weight of at least 7,000 daltons, and at least one vinyl-containing cross-linking agent. The lenses have average equilibrium water contents from about 30% wt/wt to about 70% wt/wt when fully hydrated.
|Treatment of ophthalmic conditions|
Ophthalmic conditions such as presbyopia, myopia, and astigmatism can be corrected by the use of a molding contact lens in combination with a pharmaceutical composition suitable for delivery to the eye. The molding contact lenses are preferably commercially available and are not specifically designed for orthokeratology.
|Silicone hydrogel contact lenses|
Wherein m of formula (3) represents one integer from 3 to 10, n of formula (3) represents one integer from 1 to 10, r1 of formula (3) is an alkyl group having from 1 to 4 carbon atoms, and each r2 of formula (3) is independently either a hydrogen atom or a methyl group; and at least one vinyl ether-containing cross-linking agent are described. Batches of silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses are also described.
|Silicone hydrogel contact lenses|
Silicone hydrogel contact lenses are formed from the reaction product of a polymerizable composition comprising at least one hydrophilic vinyl amide-containing monomer, at least one acrylate-containing siloxane monomer, and at least one hydrophilic vinyl ether-containing monomer. The contact lenses have ophthalmically-acceptable surface wettability and can be manufactured without the use of volatile organic solvents..
|Silicone hydrogel contact lenses|
Silicone hydrogel contact lenses that are derived from a polymerizable composition including at least one siloxane monomer and at least one hydrophobic ethylene glycol methyl ether methacrylate-containing monomer, or at least one hydrophilic vinyl ether-containing monomer, or both, wherein, when the at least one hydrophobic ethylene glycol methyl ether methacrylate-containing monomer is present in the polymerizable composition, it is present in an amount of from 1 to 20 unit parts by weight, and when the at least one hydrophilic vinyl ether-containing monomer is present in the polymerizable composition, it is present in an amount of from 1 to 20 unit parts by weight, are described. Batches of silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses are also described..
|Methods and systems for manufacturing contact lenses|
A method and system for manufacturing a contact lens are disclosed involving aligning a male lens mold section and a female lens mold section. A picking head removes a male lens mold section from a male pallet for transfer to a female mold section on a female pallet.
|Amphiphilic polysiloxane prepolymers and uses thereof|
The present invention provides an amphiphilic polysiloxane prepolymer which comprises hydrophilic monomeric units derived from at least one hydrophilic vinylic monomer, polysiloxane crosslinking units derived from at least one polysiloxane crosslinker having at least two terminal ethylenically-unsaturated groups, dangling polysiloxane chains each of which is terminated with one ethylenically unsaturated group, and chain-transfer units derived from a chain transfer agent other than a raft agent. A prepolymer of the invention is suitable for making hydrogel contact lenses.
|Contact lens blister package|
An approach is provided for decreasing infection risk and simplifying operation while wearing a contact lens. A contact lens blister package comprises a body.
|Method of making silicone containing contact lens with reduced amount of diluents|
The present invention relates to a method of manufacturing a contact lens including the steps of: (i) adding reactive components to a mold, wherein the reactive components comprise (a) at least one hydroxy-containing silicone component having a weight average molecular weight from about 200 to about 15,000 g/mole and (b) at least one mono-ether terminated, mono-methacrylate terminated polyethylene glycol having a weight average molecular weight from about 200 to about 10,000 g/mole; (ii) curing the reactive components within the mold to form the contact lens; and (iii) removing the contact lens from said mold.. .
|Method of reducing contact lens intolerance with non-drying antihistamines|
A method and preparation for reducing dry eye symptoms and promoting tear secretion in a subject in need of such treatment is disclosed. The method is useful in treating dry eye diseases.