4 Pack Cat-eye Bifocal Reading Glasses BR2012 Magnification Strength:+3.50 Must buy both left and

Must buy both left and right lens powers

Bridge (DBL) about 3/8 inches (10mm)

Frame width about 5 5/16 inches (135mm)

Lens height about 1 5/8 inches (41mm)

(Please install reading glasses by yourself if required)

4 Pack Cat-eye Bifocal Reading Glasses BR2012 Magnification Strength:+3.50 Must buy both left andAcrylic lens,plastic frame with spring hinges Frame width about 5 3 8 inches (137mm) Lens width about 1 7 8 inches (47mm) Lens height about 1 11 16 inches (43mm) Bridge (DBL) about 7 16 inches (11mm) 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