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Following five years of research and development, in September 2008 Sauflon launched Clariti, a monthly disposable, daily wear silicone hydrogel lens. As well as offering the higher oxygen transmissibility achieved by the inclusion of silicone monomers the lens also had a high water content and low modulus. Sauflon's objective during the development process had been to produce a daily wear silicone hydrogel lens that provided maximum ocular health using a material that was less stiff, less prone to deposits and with a more wettable surface. This approach would provide improved wearer comfort by allowing Sauflon to include lower levels of silicone monomers in the Clariti formulation. The level of silicone was optimized to provide a lens with excellent oxygen performance but keeping it low enough so that it did not negatively impact modulus, wettability, water content and therefore comfort of the lens.
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