EYEKEPPER POLARIZED BIFOCAL SUNGLASSES OPTICAL PERFORMANCE-the pupil distance(PD) is 59-63mm,the deviation for pupil distance(PD) less than 2mm,the deviation for strength less than 0.02,the deviation for lenses's horizontal line less than 1mm
EYEKEPPER POLARIZED FITOVER BIFOCAL SUNREADERS-Included a EVA zip case,microfiber pouch and cleaning cloth.
QUALITY FRAME-FDA Registered Polarized Bifocal Sunglasses and Eyewear,Accord with ANSI Z80.3-2010,Accord with BS EN ISO 12312-1:2013 and EN14139:2010,Accord with AS/NZS 1067:2009