Benq Materials Corporation

Visco Vision Inc.

Fan-Dan Jan

Pei-Yi Liu

Mei-Yun Chang

Bo-Ching Lin

Hsiu-Hao Chang

Tsung-Jung Cheng

Min-Chun Chung

Hsia-Hao Chang

The invention is to provide an ophthalmic lens and manufacturing method thereof. The ophthalmic lens comprises a lens body, a polydopamine layer formed on a surface of the lens body and a first cellulose nanofiber (CNF) layer bonded to the polydopamine layer.

Ophthalmic lens and method for manufacturing the same

The invention is to provide an ophthalmic lens comprising a lens body, a polydopamine layer formed on the surface of the lens body and an antimicrobial layer bonded to the polydopamine layer, and manufacturing method thereof, wherein the antimicrobial layer is formed from a copolymer of carboxyl-containing polymer and zwitterionic polymer and a crosslinking agent, and the zwitterionic polymer can be selected from one of the group consisting of phosphorylcholine polymer, sulfobetaine polymer, carboxybetaine polymer and mixed-charge polymer or a combination thereof.

The invention is to provide an ophthalmic lens comprising a lens body and an antimicrobial hydrophilic layer thereon and a manufacturing method thereof, wherein the antimicrobial hydrophilic layer comprises a polydopamine layer and a zwitterionic polymer non-covalently bonded on the polydopamine layer, and the zwitterionic polymer can be selected from one of the group consisting of phosphorylcholine polymer, sulfobetaine polymer, carboxybetaine polymer, mixed-charge polymer and a combination thereof.

The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): in formula (I), R, Rand Rare C-Calkyl groups, Ris C-Calkyl group, Ris C-Calkylene group, Ris &#x2014;ORO&#x2014; or &#x2014;NH&#x2014;, Rand Rare C-Calkylene groups and m is an integer of about 1-2, n is an integer of about 4-80; a second siloxane macromer shown as formula (II): in formula (II), R, Rand Rare C-Calkyl groups, R, Rand Rare C-Calkylene group, Ris a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, and o is an integer of about 4-80, p is an integer of about 0-1; q is an integer of about 1-20; at least one hydrophilic monomer and an initiator.

Composition for manufacturing contact lenses

The invention is to provide an ophthalmic lens and a manufacturing method thereof. The ophthalmic lens comprises a lens body and an antimicrobial hydrophilic layer thereon, wherein the antimicrobial hydrophilic layer comprises tannic acid and a zwittericionic polymer. The zwittericionic polymer can be selected from one of the group consisting of a phosphorylcholine polymer, a sulfobetaine polymer, a carboxybetaine polymer and a mixed-charge polymer or combinations thereof.

Ophthalmic lens and manufacturing method thereof

A composition is provided for manufacturing contact lenses including a siloxane macromer represented by the following formula (I): wherein R1, R2 and R3 are independently C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, R6 and R7 are independently alkylene groups, and n is an integer of about 4-80, m is an integer of about 3-40; a crosslinking agent or a siloxane macromer represented by the following formula (II), wherein p is an integer of 4-80 and q is an integer of 3-40: and an initiator.

Composition for manufacturing contact lenses and method for manufacturing contact lenses by using the same

Methods for manufacturing contact lenses are provided. In an embodiment, the method includes mixing a siloxane macromer represented by the following formula (I), a hydrophilic monomer, a crosslinking agent or a siloxane macromer represented by the following formula (II), and an initiator to form a mixture. Then the mixture is injected into a mold of contact lens and heated to form contact lenses. The formula (I) and the formula (II) are shown respectively as the following: wherein R1, R2 and R3 are independently C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, R6 and R7 are independently alkylene groups, and n is an integer of 4-80, m is an integer of 3-40. wherein p is an integer of 4-80 and q is an integer of 3-40.

The invention provides a material including a first siloxane macromer shown as formula (I): in which R, Rand Rare C-Calkyl groups, Ris C-Calkyl group, Ris C-Calkylene group, Ris &#x2014;ORO&#x2014; or &#x2014;NH&#x2014;, Rand Rare C-Calkylene groups and m is an integer of 1-2, n is an integer of 4-80; a second siloxane macromer shown as formula (II): in which R, Rand Rare C-Calkyl groups, R, Rand Rare C-Calkylene group, Ris a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, and o is an integer of 4-80, p is an integer of 0-1; q is an integer of about 1-20; at least one hydrophilic monomer and an initiator.

The invention is related to a contact lens care solution comprising a buffer solution, a chelating agent, a surfactant and a wetting agent, wherein the wetting agent comprises 100 parts by weight of glycerol, 0.5 to 40 parts by weight of vinylacetamide-containing polymer and 5 to 40 parts by weight of alginic acid.

Contact lens care solution

The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): wherein R, Rand Rare independently C-Calkyl groups, Ris C-Calkyl group, Ris C-Calkylene group, Ris &#x2014;ORO&#x2014; or &#x2014;NH&#x2014;, Rand Rare independently C-Calkylene groups and m is an integer of about 1-2, n is an integer of about 4-80; at least one hydrophilic monomer; a surfactant which is an urethane (meth)acrylate containing poloxamer and an initiator.

Material for contact lenses, method for manufacturing contact lenses and contact lenses obtained thereby

Material for contact lenses, contact lenses and method of forming the same

The disclosure is related to colored contact lenses including a transparent protective layer, a colored layer and a lens layer, wherein the colored layer is between the transparent protective layer and the lens layer. A composition for forming the transparent protective layer includes at least one first hydrophilic monomer and a first thickener. A composition for forming the colored layer includes at least one second hydrophilic monomer, an adhesive resin, a second thickener and a colorant. At least one of the thickeners used for forming the transparent protective layer and the color layer is a modified polyvinylpyrrolidone.

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Taoyuan, Taiwan

Fan-Dan Jan