Plastic frame with spring hinges

metal frame with spring hinges

Bridge (DBL) about 1/2 inches (13mm)

Lens height about 1 9/16 inches (39mm)

Half-rim Pilot Progressive Multifocus Reading Glasses M1706 Magnification Strength:+3.00 Plastic frame with spring hingesAcrylic lens, titanium and metal frame with spring hinge Frame width about 5 5 16 inches (135mm) Lens width about 2 1 16 inches (53mm) Lens height about 1 1 2 inches (38mm) Bridge (DBL) about 11 16 inches (17mm) Temple length about 5 5 16 inches (135mm) EYEKEEPER ONLINE PROGRESSIVE MULTIFOCUS GLASSES 5 layer anti reflective coating to minimize glare from screens and fluorescent lighting. Not only for looking far, but also for computer and looking