hippus

n. [医]虹膜痉挛, 虹膜震颤

释义与例句

n.
  1. 1.

    pupillary athetosis; spasmodic dilation and contraction of the pupil between the sphincter and dilator muscles.

    不可数

词源

From Ancient Greek ἵππος (híppos, “horse”), perhaps due to the rhythm of the contractions representing a galloping horse.

来源：wiktionary