Barbosa, Eduardo, Arthur Gustavo Fernandes, Rodrigo Galvao Viana, Solange Rios Salomao, & Mauro Campos. " Vision screening in school children from low-income areas of Sao Paulo city: Frequency and causes of visual impairment and blindness." Medical Research Archives [Online], 9.4 (2021): n. pag. Web. 23 Nov. 2024