1 7/16 inches (36mm)

Head size: Narrow To Medium

Lens height about 1 1/2 inches (38mm)

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

Frame Height: 31mm

5 Pack Blue Light Blocking Bifocal Readers DSSG1805 Fitover Glasses 1 7/16 inches (36mm)Acrylic lens, plastic frame with spring hinges Block 98% blue light, serious color distortion Frame width about 5 1 2 inches (140mm) Lens width about 2 5 16 inches (59mm) Lens height about 1 5 8 inches (42mm) Bridge (DBL) about 9 16 inches (15mm) Temple length about 5 1 8 inches (130mm) EYEKEEPER BIFOCAL GLASSES 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