Keratometry versus total corneal refractive power: Analysis of measurement repeatability with 5 different devices in normal eyes with low astigmatism

Dr. Kohnen receives research support from Abbott Medical Optics Inc., Alcon Pharma GmbH, Bausch & Lomb GmbH, Carl Zeiss Meditec Vertriebsgesellschaft mbH, Hoya Surgical Optics GmbH, Oculus Optikgeräte GmbH, and Schwind eye-tech-solutions GmbH and Co. KG. He receives travel reimbursement, lecture fees and is a consultant to Abbott Medical Optics Inc., Alcon Pharma GmbH, Carl Zeiss Meditec Vertriebsgesellschaft mbH, Geuder AG, Oculus Optikgeräte GmbH, Schwind eye-tech-solutions GmbH and Co. KG, TearLab Corp., Thieme Compliance, and Ziemer Ophthalmic Systems AG. None of the other authors has a financial or proprietary interest in any of the materials or methods mentioned.