: Some stores, such as Eyeglass World , require the lens style and material of the second pair to match the first.
Most retailers, including GlassesShop and Visionworks , follow a standard process for these offers: buy one get one glasses
: Luxury brands (like Ray-Ban or Oakley) and specialized tech (like smart audio glasses) are frequently excluded from these promotions. Benefits of Getting a Second Pair Special Offers on Eyeglasses, Contact Lenses & More : Some stores, such as Eyeglass World ,
"Buy one get one" (BOGO) glasses deals allow you to purchase a complete pair of prescription glasses—including both frames and lenses—and receive a second pair of equal or lesser value for free. How BOGO Glasses Deals Work : Some stores