PRECISION 1 is the first and only contact lens with Alcon’s proprietary SMARTSURFACE® technology – a permanent, micro-thin, high-performance layer of moisture at the lens surface that helps support a stable tear film to deliver lasting visual performance from morning tonight.Material: Silicone Hydrogel Lens Duration: Daily disposables Lens Type: Disposable Lens Diameter: 14.20mm Base Curve: 8.30mm