WaveTec Vision of Aliso Viejo, Calif., has closed a $16.5 million financing round to commercialize its ORA System diagnostic device for cataract surgery. The round was led by new investor Burrill & Co. WaveTec Vision’s previous investors also participated in the round, including Versant Ventures, Accuitive Medical Ventures, De Novo Ventures and Gund Investment Corp. The ORA System uses proprietary Optiwave technology with a precise light source that enhances the quality of the wavefront image to improve measurement accuracy and ensure better patient outcomes. Privately held WaveTec Vision provides intraoperative wavefront measurement technology for refractive cataract surgery.