PRODUCTS DIMENSION-Frame material: Plastic,Lens width: 2 1/16" (52mm),Frame width: 5 5/16"(135mm),Lens height: 1 9/16" (39mm),Frame height: 1 11/16" (43mm),Bridge (DBL): 1/2"(13mm),Temple length: 5 7/8"(150mm),Spring hinge: No,Lenses: Aspheric, Head size: Medium.Rx-able Frame
EYEKEPPER AROUND NECK BIFOCAL GLASSES-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 READING GLASSES-included a microfiber cloth.Optically Correct,It can hang around your neck after use
QUALITY FRAME -FDA Registered Bifocal 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,lenses
ComfortableEyewear:Theframeiscomfortabletowearandthelenseslighttransmittanceisverygood.Besides,casualframedesignkeepsyoulooksprofessionalandfashionablewhileworkingorreading.Suitablefordifferentfacetypes.Perfectgiftforyourfriends,parents,grandparentsandrelatives
