EYEKEPPER BIFOCAL SUNGLASSES SUN READERS-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 BIFOCAL SUNGLASSES SUN READERS-Included a microfiber cloth and Hard zipper case.UV 400 Protection Scratch Resistent Coated Lenses,Polycarbonate Lenses and Optically Correct,Bifocal part is flat outside of the lens,not same the normal bifocal.
QUALITY PLASTIC FRAME -FDA Registered Reading Glasses 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,Top quality plastic frame
