block 33% within 480nm

metal frame with spring hinges

Lens width about 1 5/8 (41mm)

Lens width about 1 13/16 inches(46mm)

plastic frame with spring hinges

4 Pack Cat-eye Bifocal Reading Glasses Distinctive Readers BR2110 feed-color-Brown/Red/Black block 33% within 480nmAcrylic lens, plastic frame with spring hinges Frame width about 5 5 16 inches (135mm) Lens width about 1 13 16 inches (46mm) Lens height about 1 5 8 inches (41mm) Bridge (DBL) about 1 2 inches (12mm) Temple length about 5 5 16 inches (135mm) 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