a disorder of the eye in which the pupil dilates and contracts in an irregular spasmodic rhythm
-hippus in American English
(ˈhɪpəs)
horse
eohippus
Word origin
ModL < Gr hippos: see hippo-
hippus in American English
(ˈhɪpəs)
noun
Medicine
spasmodic contraction of the pupil of the eye
Word origin
[1675–85; ‹ NL ‹ Gk híppos horse, complaint of the eye]This word is first recorded in the period 1675–85. Other words that entered Englishat around the same time include: constitutional, explorer, muscular, retouch, stoma
Examples of 'hippus' in a sentence
hippus
Hippus-like movements of the pupil could also be accompanied by vergence movements.
Carey D. Balaban, Alex Kiderman, Mikhaylo Szczupak, Robin C. Ashmore, Michael E. Hoffer,Michael E. Hoffer, Michael E. Hoffer 2018, 'Patterns of Pupillary Activity During Binocular Disparity Resolution', Frontiers in Neurologyhttps://www.frontiersin.org/article/10.3389/fneur.2018.00990/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This tight correlation suggests that a single latent variable explains both the change of ocular dominance and hippus.
Paola Binda, Claudia Lunghi 2017, 'Short-Term Monocular Deprivation Enhances Physiological Pupillary Oscillations', Neural Plasticityhttp://dx.doi.org/10.1155/2017/6724631. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)