Received: 9 November 2022
Accepted: 20 May 2023
First Online: 9 June 2023
: Institutional review board approval was obtained from all study sites: Aravind Eye Hospital, Asociación Para Evitar la Ceguera, King Khaled Eye Specialist Hospital, Northwestern University, Oregon Health and Science University, Royal Victorian Eye & Ear Hospital and the University of California San Francisco. In particular, the overall trial approval (IRB: 11-08227 and Reference: 373502) was obtained from University of California San Francisco as a coordinating center for the study. All patients provided written informed consent.
: Not applicable.
: The authors declare no competing interests.