Gu, Tianyi
Wang, Yongqian
Chen, Wenli
Article History
Received: 16 December 2019
Accepted: 12 February 2020
First Online: 24 February 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the ethics committee of Tianjin Eye Hospital and adhered to the tenets set forth by the Declaration of Helsinki.
: Patients provided written consent for the use of their images.