Abstract: The present invention provides clip-on sunglasses and methods of manufacture thereof. In accordance with an embodiment, the clip-on sunglasses comprise first and second lenses, each having retainer prongs positioned at an outer portion of each lens. The retainer prongs configured to engage an outer edge of eyeglasses. A bridge structure comprises first and second base portions affixed at inner portions of each of the first and second lenses. Each base portion comprises a protrusion. The bridge structure further comprises a elastic spanning member molded over the protrusions thereby being affixed to the first and second base portions.