Prevalence of ocular anomalies among school children.
D001699:Biometry; D002648:Child; D005123:Eye; D006801:Humans; D009885:Ophthalmology / Q000706:statistics & numerical data*; D015995:Prevalence; D012572:School Health Services / Q000706:statistics & numerical data*; D014785:Vision, Ocular
OPHTHALMOLOGY/statistics; SCHOOL HEALTH/statistics