The Cooper Companies, parent company of CooperVision (CVI), has acquired Les Laboratoires Opti-Centre, a Quebec-based manufacturer of contact lenses which hjolds the patents covering CV(s multifocal lens design technology used in its Frequency and Proclear lens, which have now been launched in Europe. CVI continued to grow faster than the contact lens market in the 2nd quarter ended Apr. 30, rising by 22 percent in dollars and by 14 percent in local currencies. The operating margin improved to 27 percent on sales of $95.1 million from a ratio of 26 percent a year ago. In dollar terms, sales rose by 11 percent in the USA, by 35 percent in Europe and by 29 percent in the Asia-Pacific region.