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

Example sentences from the Web for mydriasis

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-drīə-sĭs ]

n.

Prolonged abnormal dilation of the pupil of the eye induced by a drug or caused by disease.