U.S., July 16 -- ClinicalTrials.gov registry received information related to the study (NCT07706218) titled 'Cohort Study on Refractive Errors in Preschool Children' on July 09.
Brief Summary: Refractive error is a common visual disorder encompassing myopia, hyperopia, astigmatism and other subtypes. Refractive error in preschool children refers to refractive abnormalities occurring during the preschool period (0-6 years old). Studies conducted across diverse regions and populations report that the prevalence of refractive error among preschool children ranges approximately from 10% to 30%, with this proportion showing a gradual upward trend in recent years. Existing evidence suggests that preschool refractive status is correlated with mul...