Share University of Waterloo platform paves the way for patient-specific lenses in a single visit to the optometrist A breakthrough combination of new silicone materials and advanced 3D printing technology developed by University of Waterloo researchers could transform how contact lenses are manufactured. The award-winning innovation can produce patient-specific contact lenses in as little as 20 minutes, paving the way for specialized lenses to be designed, manufactured and dispensed during a single visit to the optometrist. Most contact lenses are manufactured in a limited range of sizes and