US Patent 6848786 Eyeglasses having a detachable second frame

A pair of improved eyeglasses is disclosed. The eyeglasses comprises a first frame including a left opening and a right opening, a detachable second frame including two lenses aligned with the openings, a projected rim, a groove surrounded by the rim with the first frame being fitted therein by snapping, and two pairs of an upper tab and a lower tab forward the groove by a predetermined distance for fastening the first frame at the groove, and two temples pivotably coupled to ends of the first frame.