Associations of long-term exposure to PM2.5 and its chemical constituents with incident visual impairment risk: A cohort study of 12 million school students.
BACKGROUND Visual impairment among children and adolescents is a major public health concern. However, evidence regarding the associations of PM2.5 and its chemical constituents with incident visual impairment remains limited, particularly in highly polluted regions. We aimed to investigate these associations in northe...