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Article History

Received: 8 December 2020

Accepted: 19 June 2021

First Online: 1 July 2021

Declarations

:

: The authors declare no conflict of interest or competing interest in this research work.

: All procedures performed in this study were in accordance with the ethical standards of the Instituto de la Visión and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: Informed consents were obtained from the subjects after explanation of the nature of the study.

: The patients agreed to collect and publish the data.