Bridge (DBL) about 11/16 inches (18mm)

Frame width about 5 3/8 inches (136mm)

Lens height about 1 3/8 inches (34mm)

Bridge (DBL) about 1/2 inches (13mm)

4 Pack Bifocal Sunglasses Vintage Sunshine Readers SBR2016 Magnification Strength:+3.00 Bridge (DBL) about 11/16 inchesPolycarbonate lens, plastic frame with spring hinges Frame width about 5 3 8 inches (136mm) Lens width about 1 13 16 inches (46mm) Lens height about 1 5 8 inches (41mm) Bridge(DBL) about 1 2 inches (12mm) Temple length about 5 1 2 inches (139mm) 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 for