Funding for this research was provided by:
Abbott Medical Optics (Not applicable)
Received: 18 August 2018
Accepted: 20 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: The trial design was approved by the Ethics Committee Aerztekammer Westfalen-Lippe, Muenster, Germany, on 12 November 2013. Committee’s reference number: 2013–373-f-s. Ethic’s approval was obtained for all study sites.All patients signed an informed consent form prior to enrollment and the study followed the tenets of the Declaration of Helsinki. The consent to participate was given in written format.
: Not applicable.
: None of the authors received any personal or financial support.