LYON, France, May 27 -- Varioptic SA, a Lyon-based maker of electrically controlled optical liquid lenses for optical designers, has announced a a 10-million-euro Series B funding round from PolyTechnos Venture-Partners (Munich, Germany) and Sofinnova Partners (Paris). Varioptic received a first round of funding, for 2 million euros, from Sofinnova Partners last year. 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