Polycarbonate lens, plastic frame with spring hinges
Frame width about 5 7/16 inches (138mm)
Lens width about 1 7/8 inches (48mm)
Lens height about 1 5/8 inches (41mm)
Bridge(DBL) about 9/16 inches (14mm)
Temple length about 5 7/16 inches (138mm)
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.
