Patent ID: 7448750

Claim:
An arcuately molded lens for eyeglasses, the lens being suitable for participation in active sports, such as biking, skiing, and the like, the lens comprising: a single pane, unitary lens defining upper and lower edges, the lower edge having a nosepiece opening formed therein for mounting the lens on a nose of a wearer, the lens having a first arcuate cross-sectional configuration in a horizontal direction, the first arcuate cross-sectional configuration defining opposing lateral segments and a central zone interposed therebetween, the opposing lateral segments being oriented tangentially relative to the central zone, the lateral segments each having a first radius of curvature designated R 1 , the central zone having a second radius of curvature designated R 2 , the lens having a second arcuate cross-sectional configuration in a vertical direction, the second arcuate cross-sectional configuration having a third radius of curvature designated R 3 , the third radius of curvature increasing along the lens from a minimum at a center point of the central zone to a maximum in the lateral segments thereof, wherein R 1 ≠R 2 .