572
Participants
Start Date
March 26, 2023
Primary Completion Date
December 31, 2026
Study Completion Date
December 31, 2026
650 nm low-level red-light
650 nm low-level red-light is a kind of laser, concentrated into a beam, to repeatedly irradiate the retina
Beijing Tongren Hospital, Beijing
Beijing Children's Hospital
OTHER
Children's Hospital of The Capital Institute of Pediatrics
OTHER
Beijing Tongren Hospital
OTHER