1849–1972: Essel and Silor Essilor

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original lissac store in paris


silor (société industrielle de lunetterie et d optique rationnelle)first started under name lissac in 1931 retailer of ophthalmic lenses , frames before becoming lens manufacturer. in 1959, same year essel invented progressive lens, lissac made discovery of own: orma 1000 lens, made lightweight material.







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