US Patent 9341865 Eyewear having magnetic clip-on lenses

Eyewear according to one embodiment includes a primary frame retainer, at least one primary lens and a clip-on lens assembly removably attachable to the front of the primary frame by magnetic forces interacting between two magnets affixed to the primary frame and the clip-on lens assembly, respectively. The clip-on lens assembly includes a connector affixed to a secondary frame of the clip-on lens assembly. The connector has a hook removably engagable with a recess defined in the primary frame for positioning the clip-on lens assembly with respect to the primary frame.