4 Pack Thicker Frame Round Bifocal Reading Glasses SG9109TMP

Polycarbonate lens, plastic frame with spring hinges Frame width about 5 5/16 inches (135mm) Lens width about 1 3/4 inches (45mm) Lens height about 1 3/4 inches (44mm) Frame height about 2 5/16 inches (59mm) Bridge (DBL) about 9/16 inches (15mm) Temple length about 5 1/2 inches (140mm) EYEKEEPER BIFOCAL GLASSES - 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.