Polycarbonate lens, plastic frame with spring hinges
Frame width about 6 1/16 inches (154mm)
Lens width about 2 1/16 inches (52mm)
Lens height about 1 5/16 inches (34mm)
Bridge(DBL) about 9/16 inches (15mm)
Temple length about 5 3/8 inches (137mm)
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.
