Spring hinges: Yes

Temple Length: 5 5/16 inches (135mm)

Temple length about 5 7/16 inches (138mm)

Plastic frame without spring hinges

Chic Rectangle Progressive Multifocus Reading Glasses M1704 Magnification Strength:+2.00 Spring hinges: YesAcrylic lens, titanium and metal frame with spring hinges Frame width about 5 5 16 inches (135mm) Lens width about 2 1 16 inches (52mm) Lens height about 1 5 16 inches (34mm) 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