Grooved magnet

Abstract

A supplemental lens unit is used on or in combination with a pair of eyeglasses. Lens unit comprises a bridge having at least one prong on each of two ends. Two supplemental lenses are connected by holes positioned near a nasal portion thereof through which prongs protrude. At least one magnet is positioned in peripheral cavities drilled into primary and supplemental lenses. Magnets in each supplemental lens and the corresponding primary lens are of opposite polarity such that lenses are magnetically and removably attached. An example of a method of manufacturing the supplemental lens unit is also disclosed.

CLAIM 
     
       The ornamental design for a grooved magnet, as shown and described.