Poor vision among China's rural primary school students: Prevalence, correlates and consequences
基于两省近两万名儿童调查，发现24%农村小学生视力不良，且与个人、家庭特征相关，可能影响学业和心理健康。
Using a survey of 19,977 children in two provinces, this paper explores the prevalence, correlates and potential consequences of poor vision among children in China's vast but understudied rural areas. We find that 24% of sample students suffer from reduced uncorrected visual acuity in either eye and 16% in both eyes. Poor vision is significantly correlated with individual, parental and family characteristics, with modest magnitudes for all correlates but home province and grade level. The results also suggest a possible adverse impact of poor vision on academic performance and mental health, particularly among students with severe poor vision.