Toxic retrobulbar neuritis due to recurrent nonsteroidal antiinflammatory drug-exacerbated respiratory disease-based chronic sinusitis in the left sphenoid sinus: a case report - Schapher, Mirco; Bruegel, Jacob; Guener, Fabian; Volbers, Bastian; Eichhorn, Philip; Agaimy, Abbas; Berger, Magdalena; Mardin, Christian; Doerfler, Arnd; Hock, Stefan W. (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2023)