Received: 11 March 2021
Accepted: 15 October 2021
First Online: 7 November 2021
: The study was approved by the Danish Data Protection Agency (P-2019-92) and the Danish Patient Safety Authority (permission number 3-3013-2950/1). According to Danish law (consolidated act 1202 paragraph 46), the study did therefore not require informed patient consent. All protocols were approved by the eye department, the Capital Region of Denmark, and all methods were carried out in accordance with relevant guidelines and regulations. The study complied with the 2nd Declaration of Helsinki and according to Danish law (number 593 of June 14th 2011, paragraph 14), the study did not require permission from an ethical committee.
: Not applicable.
: The authors declare that they have no competing interests.