Funding for this research was provided by:
National Natural Science Foundation of China (81670884, 81873684)
Article History
Received: 29 April 2019
Accepted: 14 August 2019
First Online: 20 August 2019
Compliance with ethical standards
:
: All other authors certify that they have no affiliations with or no involvement in any organization or entity with any financial interest, or non-financial interest 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 institutional research committee (the Ethics Committee of Tianjin Eye Hospital) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individuals participants included in the study.