Most retailers, including GlassesShop and Visionworks , follow a standard process for these offers:
: You must typically select two pairs from a specific "BOGO-eligible" collection. buy one get one glasses
: Some stores, such as Eyeglass World , require the lens style and material of the second pair to match the first. including GlassesShop and Visionworks
: The cost is based on the more expensive pair, with the lower-priced frame becoming the "free" item. such as Eyeglass World