4 Pack Polygon Retro Bifocal Reading Glasses Edgy Readers BR2129 Magnification Strength:+3.50 Bridge (DBL) about 9/16 (15mm)

Bridge (DBL) about 9/16 (15mm)

Bridge (DBL) about 1/2 inches (13mm)

and unmatched clarity to allow you to see more details

Lens height about 1 3/8 inches (35mm)

Lens height about 1 9/16 (40mm)

4 Pack Polygon Retro Bifocal Reading Glasses Edgy Readers BR2129 Magnification Strength:+3.50 Bridge (DBL) about 9/16 (15mm)Acrylic lens, plastic frame with spring hinges Frame width about 5 3 4 inches (146mm) Lens width about 2 1 16 inches (52mm) Lens height about 1 9 16 inches (39mm) Bridge (DBL) about 1 2 inches (13mm) 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