Funding for this research was provided by:
ShanXi Science and Technology Department (201601D021142)
Received: 12 February 2020
Accepted: 9 November 2020
First Online: 16 November 2020
Ethics approval and consent to participate
: Ethics approval and consent to participate This study was approved by the institutional review board at Shanxi Eye Hospital (N20170309); All patients signed an informed consent form prior to enrollment and the study followed the tenets of the Declaration of Helsinki. The consent to participate was given in written format.
: Not applicable.
: None of the authors received any personal or financial support.