Objective: To describe and analyze the prevalence of visual impairment and its causes in public school students in Belo Horizonte/MG. Methods: Cross-sectional study of 1.452 public school children from 5 to 19 years old, in Belo Horizonte/MG, screened and evaluated between 2011 and 2014. Results: Of the total sample, 150 patients (10,33%) had low visual acuity at the screening, and were referred to an ophthalmologist to further examination. Forty (26%) of the referred patients presented at the ambulatory, where 29 […]