Funding for this research was provided by:
Zhejiang Provincial Key Research and Development Program (2018C03012)
Medical and Health Science and Technology Program of Zhejiang Province (2019KY111)
Zhejiang Provincial High-level Talents Program (2017-102)
Foundation of Wenzhou City Science & Technology Bureau (Y20180174)
Received: 15 October 2019
Accepted: 9 February 2020
First Online: 2 March 2020
Ethics approval and consent to participate
: This study followed the tenets of the Declaration of Helsinki and was approved by the Research Review Board of the Eye Hospital of Wenzhou Medical University (KYK2013–21). Informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.