Funding for this research was provided by:
Natural Science Foundation for Young Scholar of Tianjin, China (16JCQNJC12300)
Article History
Received: 11 July 2018
Accepted: 6 December 2018
First Online: 20 December 2018
Authors’ information
: All authors are working at Tianjin Medical University Eye Hospital, School of Optometry and Ophthalmology, TMU, Tianjin Medical University Eye Institute.
: This study was approved by the Human Research Ethics Committee of the Tianjin Medical University Eye Hospital [No. 2017KY(L)-23] and complied with the Declaration of Helsinki. Written informed consents were obtained from the patients.
: All authors approved the manuscript for publication.
: The authors declare that they have no competing interests.
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