Head Size: Medium to Wider

Temple length about 5 1/2 inches (140mm)

By doing this the lens delivers greater definition

Bridge (DBL) about 1/2 inches (12mm)

anti-screen flicker

Sport Bifocal Stylish Chic Reading Sunglasses TR90 TH6145-B feed-gender-Male Head Size: Medium to WiderPolycarbonate 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