どうこうさんだい 瞳孔散大 LinksSentence search for 瞳孔散大Sentence search for どうこうさんだいKanji details for 瞳, 孔, 散 and 大Edit in JMdict Noun1. pupil dilation; mydriasisMedicine, See also 散瞳 Discussions Log in to talk about this word.