Sport Bifocal Stylish Chic Reading Sunglasses TR90 TH6145-B BB90 Spring hinges: Yes

Spring hinges: Yes

Bridge (DBL) about 5/8 inches(16mm)

Lens width about 2 1/8 inches (54mm)

Temple length about 5 11/16 inches (145mm)

Sport Bifocal Stylish Chic Reading Sunglasses TR90 TH6145-B BB90 Spring hinges: YesPolycarbonate lens, TR90 and rubber frame without spring hinges Frame width about 51 1 16 inches (145mm) Lens width about 2 3 8 inches (61mm) Lens height about 1 9 16 inches (39mm) Bridge (DBL) about 1 2 inches (13mm) Temple length about 5 1 8 inches (130mm) EYEKEEPER BIFOCAL SUNGLASSES 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