Bridge (DBL) about 7/9 inches (20mm)

Frame width about 5 7/16 (138mm)

outdoor work

09 inches (53mm)

Frame width about 5 3/16 inches (132mm)

Bifocal Reading Sunglasses Sunshine Rectangle Readers SBR093 Magnification Strength:+1.00 Bridge (DBL) about 7/9 inchesPlastic frame without spring hinges Frame width about 5 9 16 inches (142mm) Lens width about 2 1 16 inches (53mm) Lens height about 1 9 16 inches (40mm) Bridge (DBL) abour 1 2 inches (13mm) Temple length about 5 1 2 inches (140mm) 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