GrandVision, an optical retailing company, completed the acquisition of McOptic, the third largest optical retailer in Switzerland. Financial term were not disclosed. "We are very excited to welcome McOptic to the GrandVision family. McOptic is a highly recognized optical retailer with a very competitive value proposition. This acquisition strengthens our position in the Swiss market, as we continue to execute our strategic priorities," Stephan Borchert, GrandVision CEO.