4 Pack Thicker Frame Bifocal Reading Glasses Square Readers BR9106 Kids titanium and metal frame with

titanium and metal frame with spring hinge

Frame width about 4 15/16 inches (126mm)

By doing this the lens delivers greater definition

metal frame without spring hinges

Frame width about 5 1/2 inches (140mm)

4 Pack Thicker Frame Bifocal Reading Glasses Square Readers BR9106 Kids titanium and metal frame withAcrylic lens, plastic frame with spring hinges Frame width about 5 1 2 inches (140mm) Lens width about 1 7 8 inches (48mm) Lens height about 1 7 16 inches (36mm) Bridge (DBL) about 1 2 inches (12mm) Temple length about 5 1 2 inches (140mm) 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 lenses have no magnification,which is for distance