Patent classifications
B29D11/00038
MOLDS FOR PRODUCTION OF OPHTHALMIC DEVICES
A method includes subjecting an ophthalmic device mold-forming material to drying conditions in a first inert gas environment for a time period sufficient to substantially dry the ophthalmic device mold-forming material; molding a first ophthalmic device mold part and a second ophthalmic device mold part from the dried ophthalmic device mold-forming material; and subjecting the first ophthalmic device mold part and the second ophthalmic device mold part to a second inert gas environment for a time period sufficient to substantially remove all oxygen in the first ophthalmic device mold part and the second ophthalmic device mold part.
METHOD AND APPARATUS FOR CONSTRUCTING A CONTACT LENS WITH OPTICS
Various embodiments of the present invention provide systems, methods, and processes for constructing a contact lens. In one embodiment, a contact lens assembly is provided, comprising: a curved polymer polarizer with an aperture; a lenslet disposed inside the aperture, wherein the lenslet enables imaging near objects; and a filter attached to the lenslet. In further embodiments, a method for fabricating a flexible contact lens is provided, comprising: fabricating an element having an extrusion; providing a front concave mold, wherein the front mold has an intrusion to accommodate the extrusion of the optical element; affixing the extrusion of the optical element to the intrusion of the front mold; attaching a back convex mold to the front concave mold, thereby forming a mold cavity; and filling the mold cavity with a pre-polymerized liquid, whereby upon polymerization, the pre-polymerized liquid forms the flexible contact lens and the optical element is partially encapsulated within the lens.
Ophthalmic device formed by additive fabrication and method thereof
An ophthalmic device is formed by additive fabrication, the optical device having an optical surface with a surface roughness on the order of less than 10 microns. A method is provided for making an ophthalmic device including an optical surface having a surface roughness of less than 10 microns by depositing on a stage in a first relative position a first lamina of particulates having a size less than 10 microns and in select configurations less than two microns and certain configurations less than one micron, and, synergistically stimulating the first lamina of particulates to form a first solidified layer.
DEVICES AND METHODS FOR REDUCING CYSTINE CRYSTALS IN VIVO
According to some aspects, this application provides devices and methods for treating cystinosis in a patient. Removable intra-ocular devices and contact lenses containing cystine-sequestering materials effective for uptake of cystine from the eyes of a patient having cystinosis are provided. Methods of making the cystine-sequestering contact lenses are also provided.
Method and apparatus for forming a lens
Exemplary embodiments of the present disclosure provide a method and apparatus for forming an ophthalmic lens. An exemplary method includes providing a plurality of posterior tools each having a posterior optic defining surface and a plurality of anterior tools each having an anterior optic defining surface, wherein each one of the plurality of posterior tools has a different central posterior optic defining surface including a unique conic section. The method further includes selecting one of the plurality of posterior tools and one of the plurality of anterior tools based on a criteria, and forming a posterior mold by the selected one of the plurality of posterior tools and an anterior mold by the selected one of the plurality of anterior tools, the posterior mold and the anterior mold operable to form an ophthalmic lens having the criteria.
COSMETIC CONTACT LENS WITH REVERSIBLE EFFECTS
A reversible eye enhancement contact lens comprises a main body comprising a first surface and a second surface opposite the first surface, the main body having a diameter, a base curve, a peripheral thickness, and a center thickness, wherein, one or more of the diameter, the base curve, the peripheral thickness, or the center thickness are configured such that a dSag is less than 1.3% when comparing a first orientation of the main body with at least a portion of the first surface abutting an eye of a wearer and a second orientation of the main body with at least a portion of the second surface abutting the eye of the wearer; the main body further comprising a first region corresponding to the scleral region of an eye; a second region corresponding to the limbal region of an eye; a third region corresponding to an iris region of an eye; wherein colorants are incorporated into the first region, the second region, the third region, or combinations thereof and configured to create a cosmetic design in the first orientation that is different than the cosmetic design in the second orientation. The cosmetic designs in the first and second orientations may differ in colorant, color, limbal design graphics, inner effect design graphics, outer effect design graphics, barrier layers, clear coat base layers, or combinations thereof. The colorants may comprise metal oxide pigments, coated metal oxide pigments, organic dyes, interference pigments, and combinations thereof.
APPARATUS FOR FORMING AN OPHTHALMIC LENS
This invention discloses apparatus for generating an ophthalmic lens with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture.
Method for producing embedded or hybrid hydrogel contact lenses
The invention is generally related to a method for producing, in a relatively efficient and consistent manner, embedded or hybrid silicone hydrogel contact lenses, and also to unprocessed embedded or hybrid silicone hydrogel contact lenses, according to conventional cast-molding technologies. A method of the invention involve use of a polymeric non-reactive diluent in preparing a polymerizable composition for forming the silicone hydrogel material of the unprocessed embedded or hybrid silicone hydrogel contact lens, which is cast-molded with a lens mold. The unprocessed cast-molded embedded or hybrid silicone hydrogel contact lens has no or a minimal water-swelling degree, so that lens distortion or delamination during the hydration of the unprocessed embedded or hybrid silicone hydrogel contact lens.
CONTACT LENS
The present disclosure provides a contact lens comprising a first colourant which is a blue-blocking colourant having an absorption maximum (λ.sub.max) in the range of from 415 nm to 455 nm and a second colourant, wherein the second colourant is a polymerizable dye having an absorption maximum (λ.sub.max) in the range of from 470 nm to 600 nm, and optionally also comprising a third colourant which is a colourant having an absorption maximum in the range of from greater than 600 nm to 800 nm. A method of making the lens is also provided.
METHODS OF FORMING LENS FOR CORRECTION OF HIGH-ORDER ABERRATIONS USING ADDITIVE FABRICATION PROCESS
A method for fabricating a contact lens by an additive fabrication process includes joining a first portion of the contact lens with a second portion of the contact lens and joining a third portion of the contact lens with at least one of the first portion and the second portion of the contact lens. A center of a correction region of the contact lens may be offset from a center of the contact lens. The first portion and the second portion may include a first material and a second material at different ratios. The first portion and the second portion of the contact lens may include a first material and a second material having different sizes.