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Article History

Received: 21 February 2020

Revised: 8 April 2020

Accepted: 13 April 2020

First Online: 22 April 2020

Compliance with ethical standards

:

: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements) or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Suita Tokushukai Hospital Eye Center and the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

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