21
Participants
Start Date
June 1, 2024
Primary Completion Date
August 30, 2024
Study Completion Date
August 30, 2024
blue light defocus and blue light filtering
Subjects are asked to watch a terminal display device for 50 minutes, featuring texts and videos with different defocusing treatments. Specifically, they will start by watching text for 5 minutes, followed by 40 minutes of video, and then another 5 minutes of text, totaling a visual task duration of 50 minutes. The participants will complete a total of 4 sets of tests in a random order.
Beijing Tongren Hospitol, Capital Medical University, Beijing
Beijing Tongren Hospital
OTHER