| abstract |
A contact lens excellent in optical property, offering favorable feeling during the use thereof, and capable of continuous uses, which is composed of a hard portion in the central part and a soft portion in the periphery of the central part is provided. The contact lens comprising two kinds of polymers and having a hard portion arranged in the central part thereof and a soft portion arranged in the periphery of the central part, wherein a monomer mixture forming the hard portion contains at least one silicone-containing monomer, and the monomer mixture forming the hard portion and a monomer mixture forming the soft portion each contain at least one common hydrophilic monomer. |