Funding for this research was provided by:
the Science and Technology project of Xiamen Science and Technology Bureau (3502Z20174004)
Scientific research project on health and family planning for youth in fujian province (2017-2-118)
Fujian provincial key talents training program for health and family planning (2016-ZQN-90)
Article History
Received: 8 May 2019
Accepted: 11 December 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: All procedures were approved by the hospital ethics committee (Xiamen Eye Centre of Xiamen University), and informed consent forms were signed by the patients.
: Not Applicable
: The authors declare that they have no competing interests.