Patent ID: 7699464
Filing Date: 2010-04-20
Classification: G02C

Abstract:
1. A contact lens with variable focus comprising: a lens body arranged and constructed to fit over only a portion of the eye of a person to improve the person's eye sight, said body being disposed between the eye lids and the eye when the contact lens is disposed on the eye, said body being made of a soft material and having an optical axis; and a reservoir disposed within the lens body and holding a fluid; wherein said lens body and said reservoir are arranged to provide a first shape for said lens body having a first optical characteristic along said optical axis when the wearer looks substantially along a first direction and a second shape having a second optical characteristic along said optical axis when the wearer looks in a second direction at an angle with respect to said first direction, the change in between said first and second shape resulting from the movement of fluid in said reservoir due to the squeezing action of at least one of the eye lids on the lens body.