Funding for this research was provided by:
Wenzhou Science and Technology Bureau (2019Y0596)
Received: 17 July 2020
Accepted: 25 March 2021
First Online: 7 April 2021
: The study was approved by the Institutional Review Board of The Eye Hospital of Wenzhou Medical University and adhered to the tenets of the Declaration of Helsinki. Written informed consent was obtained from all the subject’s parents.
: Not applicable.
: The authors declare that they have no competing interests.