Essilor, part of the EssilorLuxottica SA group, which sells global brands such as Ray-Ban, Oakley and Varilux among many others, is a French-based vertically integrated, multinational ophthalmic optics company and the world leader in the design, manufacture and distribution of lenses to correct or protect eyesight. Including sundries, Essilor carries hundreds of thousands of stock and finished products that are fabricated at many different labs in different countries and are sold all over the world.