Financial Disclosure: Dr. Kohnen received research support from Abbott Medical Optics, Inc., Alcon Surgical, Inc., Hoya Surgical Optics GmbH, Neoptics AG, Oculus Optikgeräte GmbH, Rayner Intraocular Lenses Ltd., Schwind eye-tech-solutions GmbH and Co. KG, Carl Zeiss Meditec AG, and Ziemer Ophthalmic Systems AG. He received travel reimbursement and lecture fees from and is a consultant to Abbott Medical Optics, Inc., Alcon Surgical, Inc., Bausch & Lomb, Hoya Surgical Optics GmbH, Oculus Optikgeräte GmbH, Rayner Intraocular Lenses Ltd., Schwind eye-tech-solutions GmbH and Co. KG, Thieme Compliance GmbH, Carl Zeiss Meditec AG, Ziemer Ophthalmic Systems AG.
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Thomas Kohnen (2015) studied this question.
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