Polymerizable contact lens formulations and contact lenses obtained therefrom

A package comprising:

• a lens body, wherein the lens body is the reaction product of a polymerizable composition, the polymerizable composition comprising one or more monomers, at least one crosslinker that crosslinks the one or more monomers during polymerization, and at least one polymer of 2-methacryloyloxyethyl phosphorylcholine, wherein the at least one polymer of 2-methacryloyloxyethyl phosphorylcholine is present in the polymerizable composition in an amount from about 1% to about 3% by weight, said one or more monomers and at least one crosslinker form a first polymer component, and said at least one polymer of 2-methacryloyloxyethyl phosphorylcholine is physically entangled with said first polymer component in the lens body;
• and
• a packaging solution, wherein the packaging solution comprises an aqueous solution comprising a polymer selected from a second at least one polymer of 2-methacryloyloxyethyl phosphorylcholine, or at least one form of polyvinyl pyrrolidone, or both.

A method for producing a contact lens comprising:

• providing a polymerizable composition comprising one or more monomers, at least one crosslinker, and at least one polymer of 2-methacryloyloxyethyl phosphorylcholine, wherein the at least one polymer of 2-methacryloyloxyethyl phosphorylcholine is present in the polymerizable composition in an amount from about 1% to about 3% by weight;
• and
• polymerizing the polymerizable composition, providing a lens body, wherein the polymerizing polymerizes said one or more monomers and at least one crosslinker to form a first polymer component, and said at least one polymer of 2-methacryloyloxyethyl phosphorylcholine is physically entangled with said first polymer component in the lens body.

A contact lens, comprising:

• a lens body which is the reaction product of a polymerizable composition, the polymerizable composition comprising one or more monomers, at least one crosslinker that crosslinks the one or more monomers during polymerization, and at least one copolymer of 2-methacryloyloxyethyl phosphorylcholine and n-butylmethacrylate.

A package comprising:

• a lens body, wherein the lens body is the reaction product of a polymerizable composition, the polymerizable composition comprising one or more monomers, at least one crosslinker that crosslinks the one or more monomers during polymerization, and at least one copolymer of 2-methacryloyloxyethyl phosphorylcholine and n-butylmethacrylate;
• and
• a packaging solution, wherein the packaging solution comprises an aqueous solution comprising a polymer selected from at least one polymer of 2-methacryloyloxyethyl phosphorylcholine, or at least one form of polyvinyl pyrrolidone, or both.

A method for producing a contact lens comprising:

• providing a polymerizable composition comprising one or more monomers, at least one crosslinker that crosslinks the one or more monomers during polymerization, and at least one copolymer of 2-methacryloyloxyethyl phosphorylcholine and n-butylmethacrylate;
• and
• polymerizing the polymerizable composition, providing a lens body.

A contact lens, comprising:

• a lens body which is the reaction product of a polymerizable composition, the polymerizable composition comprising 2-hydroxyethyl methacrylate (HEMA), 2-methacryloyloxyethyl phosphorylcholine (MPC), an ethyleneglycol dimethacrylate crosslinker, a thermal polymerization initiator, and at least one polymer of 2-methacryloyloxyethyl phosphorylcholine.

A package comprising:

• a lens body, wherein the lens body is the reaction product of a polymerizable composition, the polymerizable composition comprising 2-hydroxyethyl methacrylate (HEMA), 2-methacryloyloxyethyl phosphorylcholine (MPC), an ethyleneglycol dimethacrylate crosslinker, a thermal polymerization initiator, and at least one polymer of 2-methacryloyloxyethyl phosphorylcholine;
• and
• a packaging solution, wherein the packaging solution comprises an aqueous solution comprising a polymer selected from a second at least one polymer of 2-methacryloyloxyethyl phosphorylcholine, or at least one form of polyvinyl pyrrolidone, or both.

A method for producing a contact lens comprising:

• providing a polymerizable composition comprising comprising 2-hydroxyethyl methacrylate (HEMA), 2-methacryloyloxyethyl phosphorylcholine (MPC), an ethyleneglycol dimethacrylate crosslinker, a thermal polymerization initiator, and at least one polymer of 2-methacryloyloxyethyl phosphorylcholine;
• and
• polymerizing the polymerizable composition, providing a lens body.