acetate frame with spring hinges

Frame Height: 31mm

Lens height about 1 1/2 inches (38mm)

Bridge(DBL) about 1/2 inches (13mm)

and avoid using paper

Cat-eye Bifocal Reading Glasses Thicker Frame Readers BR9108 Color:Red acetate frame with spring hingesPolycarbonate lens, plastic frame with spring hinges Frame width about 5 7 16 inches (138mm) Lens width about 1 7 8 inches (47mm) Lens height about 1 9 16 inches (40mm) Bridge (DBL) about 9 16 inches (14mm) 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