Abstract: An ophthalmic lens or an intraocular lens releasing anthocyanin for the benefit of a user's eyes includes a matrix and anthocyanin dispersed in the matrix. An ophthalmic lens package includes a lens protection solution and the ophthalmic lens, the ophthalmic lens is immersed in the lens protection solution.

Abstract: A contact lens comprises a lens substrate. The lens substrate comprises an inner surface, and an outer surface facing away from the inner surface. The lens substrate further comprises a pupil region, and an annular iris region surrounding the pupil region. The inner surface comprises a first area corresponding to the iris region. The contact lens further comprises a pattern portion formed on the first area. The pattern portion comprises a plurality of nanostructures spaced from each other. Each nanostructure protrudes from the inner surface. The nanostructures and the lens substrate are made of a same material. The disclosure also provides a method for making a contact lens.

Abstract: An ophthalmic lens material comprises a hydrophilic monomer, a clay, a cross-linking agent, an initiator, and a solvent. The hydrophilic monomer has a mass percentage of about 40% to about 65% of a total mass of the ophthalmic lens material. The clay has a mass percentage of about 0.1% to about 3% of the total mass of the ophthalmic lens material. The cross-linking agent has a mass percentage of about 0.15% to about 2% of the total mass of the ophthalmic lens material. The initiator has a mass percentage of about 0.11% to about 1.05% of the total mass of the ophthalmic lens material. The solvent has a mass percentage of about 30% to about 58% of the total mass of the ophthalmic lens material. The disclosure also provides an ophthalmic lens made of the ophthalmic lens material.

Abstract: An eye contact lens includes a main body and a water locking structure. The main body includes a front surface, a rear surface and an annular side surface connecting the front surface and the rear surface, the front surface and the rear surface were substantially spherical surfaces. The water locking structure includes a plurality of water locking sheets. The plurality of water locking sheets in the main body being sequentially stacked, and forms many water locking layers, each water locking layer comprises a plurality of parallel rows, each row comprises a plurality of single water locking sheet arranging apart.

Abstract: A method for making a colorant film providing eye care includes following steps of providing a plurality of microcapsules containing hydrogen peroxide aqueous solution; mixing a hydrophilic monomer, a cross-linking agent, and an initiator to form a mixture; mixing the microcapsules, the mixture, a pigment, and a solvent to form a colorant material; printing the colorant material into a mold; and heating or irradiating the colorant material in the mold to copolymerize the hydrophilic monomer, the initiator, and the cross-linking agent. A colorant film, and the manufacture of an ophthalmic lens are also provided.

Abstract: An ophthalmic lens or an intraocular lens releasing anthocyanin for the benefit of a user's eyes includes a matrix and anthocyanin dispersed in the matrix. An ophthalmic lens package includes a lens protection solution and the ophthalmic lens, the ophthalmic lens is immersed in the lens protection solution.

Abstract: A method for making an ophthalmic lens includes following steps of providing a mixture comprising a hydrophilic monomer, a clay, a cross-linking agent, an initiator, and a solvent; and feeding the mixture into a mold and exposing the mixture to ultraviolet radiation or heating the mixture, to cause the hydrophilic monomer, the cross-linking agent, and the initiator in the mixture to undergo a polymerization reaction to form a cross-linking network, and the clay in the mixture to be dispersed in the cross-linking network, thereby forming the ophthalmic lens. The disclosure also provides an ophthalmic lens made by above method, and an ophthalmic lens material making for the ophthalmic lens.

Abstract: A formulation for silicone hydrogel for use in contact lens includes at least one silicone monomer having a weight percent of the total hydrogel weight in a range from about 10% to about 35%, at least one hydrophilic monomer having a weight percent of the total hydrogel weight in a range from about 15% to about 40%, at least one crosslinker, and at least one initiator. A silicone hydrogel, and a method to form silicone hydrogel are provided.

Abstract: An eye lens carrying anthocyanins includes a matrix and a plurality of anthocyanins dispersed in the matrix. Since the colors of anthocyanins change depending on the PH of solution, acidic products released by microorganisms in the eye or eye lens will cause the colors of the anthocyanins to change from purple to pink, as an indicator to a user. Two methods for making a complete eye lens are also provided.

Abstract: A method for making an ophthalmic lens includes following steps of providing a suspension liquid and a lens substrate, the suspension liquid comprising a hydrophilic polymer, a clay, and water; and applying the suspension liquid on at least one surface of the lens substrate to cause the clay to be dispersed on the surface of the lens substrate and the hydrophilic polymer to be bonded to the surface of the lens substrate through the clay, thereby forming a hydrophilic layer on the surface of the lens substrate to obtain the ophthalmic lens. The disclosure also provides an ophthalmic lens.

Abstract: A method for making a colored film includes following steps of providing a mixture comprising a hydrophilic monomer, a functionalized vinylic monomer, a clay, a cross-linking agent, and an initiator; mixing a pigment and a solvent with the mixture to form a colored material; and placing the colored material into a mold, and exposing the colored material to ultraviolet radiation or heating the colored material, to cause the hydrophilic monomer, the functionalized vinylic monomer, the cross-linking agent, and the initiator in the colored material to undergo a polymerization reaction to form a cross-linking network, and the clay in the colored material to be dispersed in the cross-linking network, thereby forming the colored film. The disclosure also provides a colored film made by above method, a colored material making for the colored film, and an ophthalmic lens.

Abstract: A method for making an ophthalmic lens includes following steps of providing a mixture comprising a hydrophilic monomer, a clay, a cross-linking agent, an initiator, and a solvent; and feeding the mixture into a mold and exposing the mixture to ultraviolet radiation or heating the mixture, to cause the hydrophilic monomer, the cross-linking agent, and the initiator in the mixture to undergo a polymerization reaction to form a cross-linking network, and the clay in the mixture to be dispersed in the cross-linking network, thereby forming the ophthalmic lens. The disclosure also provides an ophthalmic lens made by above method, and an ophthalmic lens material making for the ophthalmic lens.

Abstract: A contact lens for the human eye includes a matrix and polymer nanocapsules mixed in the matrix. The polymer nanocapsule is calculated to decompose by chemical reaction and thereby release oxygen, to prevent corneal hypoxia. A material for making a contact lens is also provided.

Abstract: An anti-fogging coating composition comprises a dopamine, a hydrophilic polymer, a plurality of inorganic oxide particles, and a solvent. The dopamine reduces film forming time of an anti-fogging coating. An anti-fogging film using the anti-fogging coating composition, and a transparent article using the anti-fogging film are also provided.

Abstract: A hard coating composition comprises a dopamine, a plurality of inorganic oxide particles, and a solvent. The dopamine reduces the film forming time of an anti-fogging coating. A hard coating film using the hard coating composition, and a coated article using the hard coating film are also provided.

Abstract: A formulation for silicone hydrogel for use in contact lens includes at least one silicone monomer having a weight percent of the total hydrogel weight in a range from about 10% to about 35%, at least one hydrophilic monomer having a weight percent of the total hydrogel weight in a range from about 15% to about 40%, at least one crosslinker, and at least one initiator. A silicone hydrogel, and a method to form silicone hydrogel are provided.

Abstract: An ophthalmic lens material includes dopamine methacrylamide, a hydrophilic monomer, a cross-linking agent, and a photoinitiator. The dopamine methacrylamide has a mass percentage of about 0.5% to about 10% of a total mass of the ophthalmic lens material. The hydrophilic monomer has a mass percentage of about 88.95% to about 99.494% of a total mass of the ophthalmic lens material. The cross-linking agent has a mass percentage of about 0.001% to about 1% of a total mass of the ophthalmic lens material. The photoinitiator has a mass percentage of about 0.005% to about 0.05% of a total mass of the ophthalmic lens material.

Abstract: An ophthalmic lens includes a matrix and a natural yellow dye dispersed in the matrix. The natural yellow dye includes at least one of lutein and zeaxanthin.

Abstract: A method for making an ophthalmic lens includes following steps of mixing dopamine methacrylamide, a hydrophilic monomer, a cross-linking agent, and a photoinitiator to form a mixture; feeding the mixture into a mold and exposing the mixture to ultraviolet radiation, to cause the dopamine methacrylamide, the hydrophilic monomer, the photoinitiator, and the cross-linking agent to undergo a polymerization reaction. The disclosure also provides an ophthalmic lens made by above method, and an ophthalmic lens material making for the ophthalmic lens.

Abstract: An ophthalmic lens material includes dopamine methacrylamide, a hydrophilic monomer, a cross-linking agent, and a photoinitiator. The dopamine methacrylamide has a mass percentage of about 0.5% to about 10% of a total mass of the ophthalmic lens material. The hydrophilic monomer has a mass percentage of about 88.95% to about 99.494% of a total mass of the ophthalmic lens material. The cross-linking agent has a mass percentage of about 0.001% to about 1% of a total mass of the ophthalmic lens material. The photoinitiator has a mass percentage of about 0.005% to about 0.05% of a total mass of the ophthalmic lens material.