Funding for this research was provided by:
National Natural Science Foundation of China (81870656)
Natural Science Foundation of Guangdong Province (2017A030313610)
Bethune and Langmu Ophthalmologic Research Fund (BJ-I.M2016002J)
Fundamental Research Funds of the State Key Laboratory of Ophthalmology (30306020240020130, 3030902113030)
Article History
Received: 17 January 2020
Accepted: 9 June 2020
First Online: 17 June 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Zhongshan Ophthalmic Center. As a retrospective study, patient consent to participate the study were waived by the Ethic Committee. However, signed consent were obtained for those patients underwent EECP treatment. No administrative permissions or licenses were acquired to access the data used in this study, which was abtained diretly from neuro-ophthalmology department of Zhongshan Ophthalmic Center.
: Not Applicable.
: The authors declare that they have no competing interests.