A survey of the magnitude and determinants of visual impairment in the southwest region of Sao Paulo state, Brazil - Ferraz, Lucieni C. B. [UNESP]; Fernandes de Meneghim, Roberta Lilian [UNESP]; Cavinato, Pedro Paulo [UNESP]; Satto, Larissa [UNESP]; Galindo-Ferreiro, Alicia; Khandekar, Rajiv; Schellini, Silvana A. [UNESP] (Assoc Research Vision Ophthalmology Inc, 2017)