noun
sanpaku eyes
Eyes where the white is visible below the iris; in physiognomy, sometimes associated with certain personality traits or misfortune.
彼は三白眼で、少し怖そうに見える。
He has sanpaku eyes and looks a little intimidating.
三白眼は人相学で凶相とされる
Sanpaku eyes are sometimes considered an unlucky feature in physiognomy.