Funding for this research was provided by:
Indo-German Science and Technology Center, Department of Science and Technology, DLR, Germany (01DQ15016A)
Received: 17 November 2020
Accepted: 6 May 2021
First Online: 1 June 2021
: The study protocol was approved by the ethics committee of the University Hospital Carl Gustav Carus, Dresden, TU Dresden, Germany following the tenets of the Declaration of Helsinki (EK 104032018). The study is part of the “Dresden Corneal Disease and Treatment Study” (ExternalRef removed). Before enrolment, all participants were informed about study purposes, methods and data analysis and an informed consent was signed.
: All participants have confirmed a consent for publication.
: All authors have no conflicts of interests to be declared. There are no financial interests to disclose.