Patent Document ID: 4073578
Application ID: 05570218
Patent Status: 1

Claim One:
1. An aspheric cataract spectacle lens for improving the peripheral vision of a person suffering from aphakia by forcing head movement for central viewing of side objects, the improvement comprising: a lens body, said body having an anterior surface and an interior surface, said anterior surface having a central spherically curved area and a peripheral aspheric curved area, said aspheric curved area having a diopter rate of change beginning at the edge of said central vision area and extending to the body periphery of approximately a one-third diopter per millimeter, whereby the person is provided with improved peripheral vision of a side object when said person centrally fixates his eye relative to said lens body to further improve vision of said side object when said person rotates his head with his eyes centrally fixated looks directly at said object to make said side object clearer than if the person rotated his eye thus looking through said aspherical portion of said lens body which obscures said side object.