[Product Information]

PRODUCTS DIMENSION-Frame material: Plastic，Lens width: 1 15/16" (50mm)，Frame width: 5 5/16"(135mm)，Lens height: 1 1/4" (32mm)，Frame height: 1 5/12" (36mm)，Bridge (DBL): 1/2"(13mm)，Temple length: 5 1/2"(140mm)，Spring hinge: Yes，Lenses: Aspheric，Head size: Medium to wider.Rx-able frame
EYEKEPPER VINTAGE READING 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 SPRING HINGES READING GLASSES-6-pairs at 1 Low Price，Sets come in 1 power of your choice. These are not mixed powers. Amber lenses for computer，grey tinted lenses great for outdoor reading.
QUALITY 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，lenses and have spring-loaded hinges
LIFETIME BREAKAGE WARRANTY&30 DAY MONEY BACK GUARANTEE: In case any broken problem happens， contact the seller of Eyekepper without hesitation to solve the problem until satisfaction. Eyekepper provides lifetime after sale service for all Eyekepper reading glasses. Customers can return and get refunded for any reason. You have no risk to try