@article{costa_santos_costa_2007,  title={An unusual chiasmal visual defect in a patient with neuromyelitis optica: case report},  volume={70},  ISSN={0004-2749},  url={https://doi.org/10.1590/S0004-27492007000100029},  DOI={10.1590/S0004-27492007000100029},  number={1},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Costa, Roberta Martins da Silva and Santos, Antonio Carlos and Costa, Laudo Silva},  year={2007},  month={Jan},  pages={153–155} }