mydriasis
[ mi-drahy-uh-sis, mahy- ]
/ mɪˈdraɪ ə sɪs, maɪ- /
noun Medicine/Medical.
excessive dilatation of the pupil of the eye, as the result of disease, drugs, or the like.
Compare
miosis.
Origin of mydriasis
1650–60; < Latin
mydriāsis < Greek
mydríāsis
Words nearby mydriasis
mycotoxicosis,
mycotoxin,
mycotrophic,
mycotrophy,
mycovirus,
mydriasis,
mydriatic,
myectomy,
myectopy,
myel-,
myelapoplexy
Example sentences from the Web for mydriasis
Mydriasis, mi-drī′a-sis, n. morbid dilatation of the pupil of the eye.
At the same time there is a certain amount of mydriasis, but this is less pronounced than that produced by atropine.
Coca and its Therapeutic Application, Third Edition |Angelo MarianiVisual acuteness on both sides 5/12, the left slightly better than the right; emmetropia in mydriasis by atropine.
Schweigger on Squint |C. SchweiggerMydriasis does not always occur, and when it does, is much less than with cocaine.
Merck's 1899 Manual |Merck & Co.
British Dictionary definitions for mydriasis
mydriasis
/ (mɪˈdraɪəsɪs, maɪ-) /
noun
abnormal dilation of the pupil of the eye, produced by drugs, coma, etc
Word Origin for mydriasis
C17: via Late Latin from Greek; origin obscure
Medical definitions for mydriasis
mydriasis
[ mĭ-drī′ə-sĭs ]
n.
Prolonged abnormal dilation of the pupil of the eye induced by a drug or caused by disease.