Ray Purple Optical The bigger the category number

The bigger the category number of lenses

including:

CR3-9 has the highest Abbe value of any lens

Italian Acetate frame

Metal Core wire with IP plating that prevents oxidation and wear

Ray Purple Optical The bigger the category numberRay Purple Square shape. Frame Color: Black Lens Color: Gradient Purple 2 Year Warranty Technical Information: Hand PolishedWidth Nose Gap Height Measurements of this pair: 145 20 52 mmLenses: Flat base 0Hinge: Five barrelFront thickness: 4. 8 mm Temples thickness: 3. 5 mm Lenses Technology: CR 39 Custom Made Lenses CR 39 is made by polymerization of diethyleneglycol bis allylcarbonate (ADC) in presence of diisopropyl peroxydicarbonate (IPP)