Funding for this research was provided by:
Key Research and Development Program of Hainan Province (ZDYF2016111)
Science and Technology Planning Project of Hainan Province (817365, 20168335)
Received: 25 July 2017
Accepted: 31 January 2018
First Online: 17 February 2018
Ethics approval and consent to participate
: The study followed the tenets of the Declaration of Helsinki and the protocol was reviewed and approved by the Ethics Review Board of Hainan Eye Hospital of the Zhongshan Ophthalmic Center (HNEH2016–016). Informed consent for participation were obtained from the patient before examination and surgery.
: Informed consent for publication were obtained from the patient before examination and surgery. All authors have seen the manuscript and approved to publish it to the journal.
: The authors declare that they have no competing interests.
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