title: Strong transient corneal astigmatism in a case of ethmoidal sinusitis.
mesh_terms: D001251:Astigmatism / Q000209:etiology*; D005005:Ethmoid Sinus; D006801:Humans
keywords: ASTIGMATISM/etiology and pathogenesis; ETHMOID SINUS
vernacular_title: Fuerte astigmatismo corneal transitorio en un caso de sinusitis etmoidal.