Document is current

Article History

Received: 28 May 2019

Revised: 13 October 2019

Accepted: 1 November 2019

First Online: 28 November 2019

Compliance with ethical standards

:

: Author Hammer declares that he has patent on retinal oximetry. Author Donicova declares that she has no conflict of interest. Author Ramm declares that she has no conflict of interest. Author Augsten declares that she has no conflict of interest.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Medical faculty in Jena, Germany and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained from all individual participants included in the study.