Main application of multiple phase contact lens preference insistence insists preference on the basis of the American temporary patent application 60/480,299th number which is applied on 2003 June 20th, invokes the patent contents to the long-cherished desire bill. Background information

摘要

The multiple phase contact lens (100) is disclosed. The multiplex zone which has refracting power (Z) it possesses this multiple phase contact lens. The zone of 1 or more has the addition phase which corresponds respectively depth of field (DOF) on the basis of the principle of picture coding which is improved addition phase (P) in comparison with the contact lens which it does not have. This multiplex phase part, brings further degree of freedom with to stability and optimization of the lens which is adjusted to the taste of the specified user.