EssilorLuxottica S.A. is the world's largest eyewear and vision care company, formed through the 2018 merger of Essilor (a leader in ophthalmic lenses) and Luxottica (a leader in eyewear frames and retail). The vertically integrated business model spans the entire value chain, from research and development to manufacturing, wholesale distribution, and direct-to-consumer retail. The company operates through two primary segments: Professional Solutions, which supplies lenses, frames, and optical instruments to independent opticians and third-party retailers; and Direct-to-Consumer, which encompasses its vast network of brick-and-mortar retail stores and e-commerce platforms. Its brand portfolio is extensive, featuring proprietary frame brands like Ray-Ban, Oakley, and Persol, alongside licensed luxury brands such as Chanel and Prada. On the lens side, it produces industry-leading technologies under brands like Varilux, Crizal, and Transitions. The company's retail footprint includes over 18,000 stores globally, operating under banners like LensCrafters, Sunglass Hut, GrandVision, and Salmoiraghi & Viganò. Geographically, EssilorLuxottica has a massive global footprint with significant revenue generation across North America, Europe, the Middle East, Africa, Asia-Pacific, and Latin America. The company is also expanding into smart eyewear through partnerships with tech giants like Meta, and into the med-tech space with hearing solutions, solidifying its competitive moat in the broader vision and wearable technology markets.