Patent ID: 8444265

Claim:
An enhanced performance earstem for eyeglasses, comprising: an elongate body, having an anterior end and a posterior end; and at least a first segment and a second segment on the body, separated by a flex zone or point, wherein the elongate body is configured to deflect relative to at least a portion of one of the first and second segments, and wherein at least one of the first and second segments comprises a recess formed on an inner side surface of the segment, wherein the inner side surface is configured to extend from an anterior end to a posterior end of the segment and face substantially towards a head of a wearer when the eyeglasses are worn by the wearer, the recess configured to receive at least a portion of the elongate body for allowing deflection of the elongate body into the recess of the respective one of the first and second segments; wherein a center of the flex zone or point is within the range of from about 20 mm to about 70 mm from the anterior end of the elongate body.