Vintage Reading Glasses Pierre Cardin Bifocal +2.50 Big Metal Square Aqua Blues

Vintage 70's Pierre Cardin tie dye turquoise/cyan eyeglass frames. Vintage bifocal readers with only the bottom portion having a strength of about +2.50. Top portion has no prescription. Lenses are lightly tinted on the top half, plastic, randomly scratched, bottom corner of left lens has several teeny ships. Frame is semi rimless having nylon string holding the lenses in place. Frame is strong with overall light to moderate surface wear from use. Metal frame is gold tone. Swivel nose pads. Please read all the measurements below and compare them to a pair you already wear for size comparison. Refer to diagram which shows you how to measure yours, it's where I measured these. Just relying on your eye size or stamped size NEVER indicates a sure fit. Space between the hinges is VERY important for a good fit too. Eyewear is final sale. SPECS: Frame width: 5 1/4" (135mm) Frame height: 2" (50mm) Lens width: 2 !/8" (55mm) Lens height: 1 7/8" (48mm) Bridge: 18mm Temple: 5 1/4" (135mm) Width between the hinges: 5 1/4" (135mm) Hinge: standard Lenses: bifocal Pupil to pupil distance: 70mm (2 3/4") Optical quality: absolutely Head Size: average to slightly wide.