Fielmann AG is engaged in the manufacture and trade of visual aids and optical products. It operates and invests in optical shops and hearing aid companies. The company products include spectacles, spectacle frames and lenses, sunglasses, contact lenses, hearing aids, and related accessories. It operates in the following markets: Germany, Switzerland, Austria, and Others. The Others market comprises the regions Luxembourg, France, the Netherlands, and Eastern Europe. The company was founded by Günther Fielmann on September 21, 1972 and is headquartered in Hamburg, Germany.