4 pack chic small lenses bifocal reading sunglasses sbr2034 Magnification Strength:+2.00 block more than 99% within

block more than 99% within 400nm-410nm

metal frame with spring hinges

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

Head Size: Medium

4 pack chic small lenses bifocal reading sunglasses sbr2034 Magnification Strength:+2.00 block more than 99% withinPlastic frame with spring hinges Frame width about 5 5 16 inches (135mm) Lens width about 1 7 8 inches (47mm) Lens height about 1 9 16 inches (39mm) Bridge(DBL) about 1 2 inches (12mm) Temple length about 5 5 16 inches (135mm) 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 viewing.