Transition Photochromic Oversized Bifocal Reading Glasses BSBR2141

Polycarbonate lens, plastic frame with spring hinges Frame width about 5 13/16 inches (147mm) Lens width about 2 inches (51mm) Lens height about 1 11/16 inches (43mm) Bridge (DBL) about 9/16 inches (15mm) Temple length about 5 3/8 inches (137mm) 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 distance viewing. PHOTOCHROMIC LENSES - Transparent lenses in the door, it will be change to grey color in the sunshine within 10 minutes.