excessive contraction of the pupil of the eye, as in response to drugs
2. a variant spelling of meiosis (sense 1)
Derived forms
miotic or myotic (maɪˈɒtɪk)
adjective, noun
Word origin
C20: from Greek muein to shut the eyes + -osis
Examples of 'myosis' in a sentence
myosis
On postoperative day 2, she developed right-sided myosis and upper eyelid ptosis.
Meliha Demiral, Ciğdem Binay, Enver Simsek, Hüseyin Ilhan 2017, 'Horner Syndrome Secondary to Thyroid Surgery', Case Reports in Endocrinologyhttp://dx.doi.org/10.1155/2017/1689039. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In neurologic examination of the patient, semiptosis, enophthalmus, and myosis were observed on the left side.
Eren Gozke, Hilal Tastekin Toz, Pınar Kahraman Koytak, Funda Alparslan 2013, 'Postcoital Internal Carotid Artery Dissection Presenting as Isolated Painful HornerSyndrome: A Case Report', Case Reports in Neurological Medicinehttp://dx.doi.org/10.1155/2013/403647. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)