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Crizal Prevencia, launched in 2013, is a lens that lets in beneficial light and filters out blue-violet and UV rays. In 2014, Essilor won a Fibre Innovation Award for Crizal Prevencia at an event at the Paris Pierre and Marie Curie University celebrating advances in technology that benefit society.
Varilux Comfort represented a new concept of the progressive lens; it was the first progressive lens which combined the advantages of a "hard" design (type Varilux) and a "soft" design (type Varilux 2). [12]
Transitions Optical is a U.S.-based company known for manufacturing photochromic lenses, which darken on exposure to specific types of light. The company was founded in 1990. [1] In 1991, Transitions Optical became the first company to commercialize and manufacture plastic photochromic lenses. [2]
Progressive lenses (those that function as both reading and distance glasses) start at $295, while tinted prescription lenses cost an additional $100 from the base model.
Despite the merger being completed in 2018, the company still faced an internal leadership battle for control of the company, fought between old Essilor leadership and Del Vecchio, who went on to state in a March 2019 interview with Le Figaro that Essilor CEO Hubert Sagnières "only listened to himself", and had cost the company up to €600 million in savings from the merger.
After the war, the Armorlite Lens Company in California is credited with manufacturing the first CR-39 eyeglass lenses in 1947. CR-39 plastic has an index of refraction of 1.498 and an Abbe number of 58. CR-39 is now a trade-marked product of PPG Industries. [2]
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