Wan, Xiaomei
Wan, Luqin
Jiang, Mingming
Ding, Yichao
Wang, Yuan
Zhang, Jing
Article History
Received: 2 August 2020
Accepted: 4 January 2021
First Online: 14 January 2021
Ethics approval and consent to participate
: The study was approved by the Ophthalmology Ethics Committee of Qingdao Eye Hospital (approval no.2020-21). Written informed consent was obtained from all the patients who participated in the study or their legal representatives. Written consent was obtained from a parent or guardian on behalf of any participants under the age of 16 before the study.
: Not applicable.
: None of the other authors have any financial disclosures.