Prevalence of amblyopia and its association with refraction in Chinese preschool children aged 36–48 months

Purpose To determine the prevalence of amblyopia and its association with refraction in Chinese preschool children. Methods The Yuhuatai Pediatric Eye Disease Study, a cross-sectional, population-based study, was conducted in children aged 36–48 months in Yuhuatai District, Nanjing, China, in 2015. Visual acuity was measured in 1695 eligible children. Results Of the 1695 subjects, manifested amblyopia was detected in 25 children (1.47%, 95% CI...