@article{salomão_mitsuhiro_belfort jr_2009,  title={Visual impairment and blindness: an overview of prevalence and causes in Brazil},  volume={81},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652009000300017},  DOI={10.1590/S0001-37652009000300017},  number={3},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Salomão, Solange R. and Mitsuhiro, Márcia R. K. H. and Belfort Jr, Rubens},  year={2009},  month={Sep},  pages={539–549} }