Jōyō kanji, Taught in junior high
JLPT level: N1
2069 of 2500 most used kanji in newspapers
Stroke count: 17
Meaning: pupil (of eye)
Kunyomi: ひとみ
Onyomi: ドウ トウ
Composition: 目 童
Radical: 目
Meaning: eye
瞳孔 (ドウコウ) pupil (of the eye)
瞳孔拡張 (ドウコウカクチョウ) pupil dilation
縮瞳 (シュクドウ) miosis, myosis, (excessive) constriction of the pupil
散瞳 (サンドウ) mydriasis, (excessive) dilation of the pupil
瞳 (ひとみ) pupil (of eye), eye
瞳を凝らす (ひとみをこらす) to strain one's eyes, to stare