In 2010 Essilor acquired FGX International, an American company whose brands include Foster Grant. In 2011 Essilor acquired 50% of the Chinese company Wanxin Optical. The growth drivers for the Chinese market are the aging population and the increase of reimbursement for eye care. The 40th anniversary of the merger between Essel and Silor was in July 2012, an occasion to highlight their contributions and improvements on technologies. As of September 2012, Essilor has been involved in the Special Olympics for 10 years, providing almost 100,000 free eyeglasses to the athletes. In May 2013, Safilo and Essilor agreed on a 10-year licensing deal allowing Essilor to use Safilo's Polaroid brand for polarized lenses. In July 2013, Essilor bought 51% of Transitions Optical's stakes from PPG Industries. Essilor will eventually hold 100% of Transitions Optical. The deal was closed in 2014, and aims to develop Essilor's leadership in lenses that adapt to changing light. In March 2014, Essilor announced the acquisition of the Canadian online distributor Coastal. com, which rebranded as Clearly. ca in 2015. Essilor reinforced its presence online, adding Coastal. com to its online subsidiaries, such as MyOnlineOptical, FramesDirect and EyeBuyDirect.