This compendium includes abstracts / presentations from US and Inter- national optometry/ophthalmology congresses involving PRECISION1™ One Day Contact Lenses, as well as PRECISION1™ for Astigmatism lenses, from January 2019 through June 2021. The journal articles included were identified using the PubMed and Google Scholar databases incorporating the terms “PRECISION1”, “SMARTSURFACE”, and “verofilcon A” from January 2020 through April 8, 2021. The studies included bench studies assessing the material properties and performance of PRECISION1™, as well as clinical studies examining patient outcomes with the lenses. Only journal articles and abstracts / presentations available in English were included in this compendium. In total, there were 19 journal articles / abstracts / presentations, including 3 journal articles, 12 original presentations and 4 encore presentations / subset analyses. Fourteen journal articles/ abstracts / presentations reported clinical data, while 5 reported bench data. All studies were sponsored by Alcon Research, LLC, except where noted otherwise.