metal frame with spring hinges

Lens height about 1 1/4 inches (32mm)

31 inches (135mm)

Lens height about 1 7/8 inches (47mm)

The balanced design allows smooth attachment and removal while helping maintain a stable fit on compatible frames

Half-rim Pilot Progressive Multifocus Reading Glasses M1706 Magnification Strength:+3.00 metal 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