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Article History

Received: 18 June 2021

Revised: 30 August 2021

Accepted: 10 September 2021

First Online: 16 October 2021

Change Date: 21 February 2022

Change Type: Update

Change Details: Open Access funding enabled and organized by Projekt DEAL has been added as funding statement.

Declarations

:

: The study was administered according to the Declaration of Helsinki of the World Medical Association. The Ethics Committees of the Universities of Frankfurt and Tübingen approved the study protocol before initiation.

: Prior to enrolment in the study parents and patients older than 7 years declared their written informed consent and younger patients their assent.

: All the authors approved the final manuscript to be published.

: The authors declare no competing interests.Financial disclosure T. Kohnen: Consultant and Research for Abbott/J&J, Alcon/Novartis, Avedro, Oculentis, Oculus, Presbia, Santen, Schwind, Zeiss. Consultant for Allergan, Bausch & Lomb, Dompé, Geuder, Med Update, Merck, Rayner, Staar, Théa, Tear Lab, Thieme, Ziemer. Research for Avedro, Hoya.