Bridge(DBL) about 9/16 inches (19mm)

Frame width about 5 1/14 inches (133mm)

Bridge (DBL) about 9/16 inches (14mm)

Frame height: 1 3/8" (35mm)

Lens width about 2 1/8 inches (54mm)

Bifocal Reading Sunglasses Outdoor Sunshine Readers SG821 Transition Sunglasses Bridge(DBL) about 9/16 inches (19mm)Polycarbonate Lens, plastic frame without spring hinges Frame width about 5 1 2 inches (140mm) Lens width about 2 1 16 inches (58mm) Lens height about 1 9 16 inches (40mm) Bridge (DBL) about 1 2 inches (12mm) Temple length about 4 15 16 inches (125mm) EYEKEEPER BIFOCAL SUNGLASSES A crescent shape on the bottom part of the lenses have magnification, which is for reading and close up work. And the other parts of the lenses have no magnification,which is