Funding for this research was provided by:
Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences (9601)
Article History
Received: 17 June 2019
Accepted: 16 December 2019
First Online: 7 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were by the ethical standards of the (Ethics Committee of Ophthalmic Research Center, Shahid Beheshti Medical University (Tehran, Iran)) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.