Patent ID: 6305801
Filing Date: 2001-10-23
Classification: G02C

Abstract:
A contact lens for filtering light transmitted through the pupil to the retina in an eye of a wearer of the lens during outdoor sporting and recreational activities comprising:a. a contact lens body with at least a portion of the contact lens body comprising a first optical filter region;b. the first optical filter region characterized by a first filter range of radiation wavelengths wherein a transmission percentage of light through the first optical filter region is substantially less than 100% but substantially greater than 0%;c. wherein the first filter range includes radiation having wavelengths within the range of approximately 400-500 nm; andd. wherein the first optical filter region is provided at a center portion of the contact lens body and the contact lens includes a clear optical region surrounding the first optical filter region, whereby as the pupil of the eye dilates, a larger percentage of the light transmitted to the retina passes through the clear optical region.