Funding for this research was provided by:
Natural Key Research and Development Program of China (2016YFC1101200)
Received: 5 August 2020
Accepted: 21 March 2021
First Online: 28 April 2021
: The study followed the tenets of the Declaration of Helsinki and was granted an exemption from requiring ethics approval by the Ethics Committee of The Eye Hospital of Wenzhou Medical University.
: Not applicable.
: The authors declare that they have no competing interests.