This means that they have been suitable for re-glazing by an optician with a sunglass grade lens to match your vision correction prescription

rectangleLENSES COLOR:HCL Bronze

AZURE GRADIENT BLUE

OPTICSMelanin-infused polycarbonate lensesOptical health benefits: Protection from harmful HEV light (98%) & UV (100%) while delivering eye relaxation and accurate color perceptionPolarized filters are infused into the lens to reduce 99% of surface glarePremium scratch resistance & impact protection lens8 Base lens curvatureCONSTRUCTIONLightweight bio-resin frameOptical grade 5 barrel stainless steel hinge for strengthTeflon coated hinge screws for durabilityFRAME SIZE:45-155-135FRAME COLOR: BLACK AMBERLENS COLOR: BRONZEPOLARIZED:YES

BB020 BURBERRY BLAINE BE3141 100585 61 SILVER / YELLOW GRADIENT GRAY This means that they haveFRAME SIZE: 61 15 145 FRAME MATERIALS: METAL FRAME SHAPE: PILOT FRAME TYPE: FULL RIM FRAME COLOR: SILVER LENSE COLOR: YELLOW