FAIRPORT, N.Y.—CooperVision, the contact-lens division of The Cooper Companies (NYSE: COO), recently received approval from the U.S. Food and Drug Administration for its Biofinity silicone hydrogel contact lenses to be used for extended wear in the U.S., providing indication for overnight wear for up to six nights and seven days.

The extended-wear approval is effective immediately, and applies to all Biofinity monthly replacement CLs currently available, a company announcement said.

CooperVision’s Biofinity lenses, introduced last summer, are manufactured with a third-generation silicone hydrogel material, comfilcon A.