Eduard Flentge will officially retire next month as chief executive of Hoya Vision Care. Based in the Netherlands, he has led Hoya to obtain an important position in the European ophthalmic market. His retirement follows the recent appointment of Gerald W. Bottero as chief executive at Hoya Vision Care's new international headquarters on the same site. Flentge was one of the directors of Select Optical before that come was sold to Hoya in 1983. He then became managing director of Hoya Lens Benelux, and in 1993 he became chief executive for Hoya Lens Europe.