Lens height about 111/16 inches(43mm)

Head size: Medium

Nose Bridge (DBL): 3/4 inches (19mm)

Bridge (DBL) about 3/4 inches (19mm)

5 Pack Square Bifocal Reading Sunglasses Chic Readers SGS027 Magnification Strength:+1.50 Lens height about 111/16 inches(43mm)Acrylic lens, plastic frame with spring hinges Frame width about 5 11 16 inches (145mm) Lens width about 2 inches (50mm) Lens height about 1 9 16 inches (40mm) Bridge (DBL) about 3 8 inches (10mm) Temple length about 5 9 16 inches (142mm) 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 magnification,which is for distance