Polycarbonate lens, plastic frame with spring hinges
Frame width about 5 13/16 inches (147mm)
Lens width about 2 1/16 inches (52mm)
Lens height about 1 9/16 inches (40mm)
Bridge (DBL) about 1/2 inches (13mm)
Temple length about 5 9/16 inches (142mm)
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.
