@article{tavares_nunes_nunes_pato_monteiro_2014,  title={Translation and validation of Convergence Insufficiency
               Symptom Survey (CISS) to Portuguese - psychometric results},  volume={77},  ISSN={0004-2749},  url={https://doi.org/10.5935/0004-2749.20140007},  DOI={10.5935/0004-2749.20140007},  number={1},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Tavares, Catarina and Nunes, Amélia Maria Monteiro Fernandes and Nunes, António João Santos and Pato, Maria Vaz and Monteiro, Pedro Miguel Lourenço},  year={2014},  month={Jan},  pages={21–24} }