1.
Temporini ER, José NK, Taiar A, Ferrarini M de L. The validity of the visual acuity screening in school children carried oat by the teacher - comparative study of the visual acuity measurement by the teacher and the ophthalmologist from the city of S. Paulo, Brazil . Rev. saúde pública. 1977;11(2):229-237. doi:10.1590/S0034-89101977000200007