Many major luxury sunglasses and prescription glasses brands (including Chanel, Ray-Ban, Versace, Prada, Burberry) are manufactured by a single Italian company called "Luxottica" : r/knowthings
Luxottica and CHANEL announce new license agreement | Luxottica
Chanel Expands E-Commerce Business With Sunglasses - Fashionista
White and Pink Textile, Acrylic and Glass Mirrored Shield Ski Goggles, 2020 | Handbags & Accessories | The Chanel Collection | 2022 | Sotheby's
Chanel Sunglasses: History, Styles and Where to Buy
Chanel Square Sunglasses CH5487 55 Grey & Burgundy & Gold Sunglasses | Sunglass Hut New Zealand