EnChroma® Derby Cx3 Sun SP is an iconic browline frame with Cx3 Sun SP lens technology engineered to deliver clear, bright color and 100% UV protection for those with mild, moderate and strong protan color blindness. These prescription browline glasses feature a combination of cellulose acetate and stainless steel materials with adjustable nose pads. The sophisticated silhouette offers trend-forward stylings for all face shapes. Durability qualities inherent in the premium acetate and stainless steel spring hinges provide a more flexible fit that contours to the face over time.
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