Abstract: 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.

Abstract: The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): in formula (I), R1, R2 and R3 are C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C4 alkylene group, R6 is —OR7O— or —NH—, R7 and R8 are C1-C4 alkylene 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), R9, R10 and R11 are C1-C4 alkyl groups, R12, R13 and R15 are C1-C3 alkylene group, R14 is 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.

Abstract: The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): wherein R1, R2 and R3 are independently C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C3 alkylene group, R6 is —OR7O— or —NH—, R7 and R8 are independently C1-C2 alkylene 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.

Abstract: 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.

Abstract: The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): in formula (I), R1, R2 and R3 are C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C4 alkylene group, R6 is —OR7O— or —NH—, R7 and R8 are C1-C4 alkylene 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), R9, R10 and R11 are C1-C4 alkyl groups, R12, R13 and R15 are C1-C3 alkylene group, R14 is 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.

Abstract: 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.

Abstract: The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): in formula (I), R1, R2 and R3 are C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C4 alkylene group, R6 is —OR7O— or —NH—, R7 and R8 are C1-C4 alkylene 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), R9, R10 and R11 are C1-C4, alkyl groups, R12, R13 and R15 are C1-C3 alkylene group. R14 is 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.

Abstract: 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.

Abstract: 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.

Abstract: A composition is provided for manufacturing contact lenses in 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.

Abstract: 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 diisoeyanate, 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.

Abstract: The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): wherein R1, R2 and R3 are independently C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C3 alkylene group, R6 is —OR7O— or —NH—, R7 and R8 are independently C1-C2 alkylene 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.

Abstract: The invention provides a material for contact lenses, including a first siloxane macromer shown as formula (I): in formula (I), R1, R2 and R3 are C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C4 alkylene group, R6 is —OR7O— or —NH—, R7 and R8 are C1-C4 alkylene 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), R9, R10 and R11 are C1-C4 alkyl groups, R12, R13 and R15 are C1-C3 alkylene group, R14 is 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.

Abstract: 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.

Abstract: The disclosure is related to a polymerizable composition for coloring contact lens, comprising a composite colorant and at least one hydrophilic monomer. The composite colorant is produced by a reaction of a colorant precursor and a (methyl)methacryloxy group-containing shine coupling agent. The colorant precursor is produced by a reaction of a metal oxide and a siloxane compound under alkaline solution.

Abstract: The disclosure is related to a polymerizable composition for coloring contact lens, comprising a composite colorant and at least one hydrophilic monomer. The composite colorant is produced by a reaction of a colorant precursor and a (methyl)methacryloxy group-containing silane coupling agent. The colorant precursor is produced by a reaction of a metal oxide and a siloxane compound under alkaline solution.

Abstract: The invention provides a fluoro-containing ether monomer for fabricating contact lenses represented by following formula (I): In formula (I), R10 is fluoroalkyl group (CxFyHz, wherein x is an integer of 2-20, y is an integer of 5-30, and y+z=2x?1), R11 is oxygen, nitrogen or sulfur; R12 is C1-C3 alkylene; n is an integer of 3-40.

Abstract: The invention provides a fluoro-containing ether monomer for fabricating contact lenses represented by following formula (I): In formula (I), R10 is fluoroalkyl group (CxFyHz, wherein x is an integer of 2-20, y is an integer of 5-30, and y+z=2x+1), R11 is oxygen, nitrogen or sulfur; R12 is C1-C3 alkylene; n is an integer of 3-40.

Abstract: The invention provides a fluoro-containing ether monomer for fabricating contact lenses represented by following formula (I): In formula (I), R10 is fluoroalkyl group (CxFyHz, wherein x is an integer of 2-20, y to is an integer of 5-30, and y+z=2x+1), R11 is oxygen, nitrogen or sulfur; R12 is C1-C3 alkylene; n is an integer of 3-40.

Abstract: 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.