SmartBuyGlasses US Official Site, Buy Designer Sunglasses & Glasses Online, Free Shipping, 2 Year Warranty. SmartBuyGlasses belongs to SmartBuyGlasses Optical Group, an online eyewear retailer with branches in Germany, Italy, Shanghai, Hong Kong, Australia, the United States and Canada. Through close cooperation in different areas in various places, we can provide you with a full range of commodities at prices lower than the market. Our mode of operation will provide you with a high-quality online shopping experience!