mydriasis

[mi-drahy-uh-sis, mahy-]

noun

Medicine/Medical.

1. excessive dilatation of the pupil of the eye, as the result of disease, drugs, or the like.

mydriasis

/ maɪ-, mɪˈdraɪəsɪs /

noun

1. abnormal dilation of the pupil of the eye, produced by drugs, coma, etc

Word History and Origins

Origin of mydriasis¹

1650–60; < Latin mydriāsis < Greek mydríāsis

Word History and Origins

Origin of mydriasis¹

C17: via Late Latin from Greek; origin obscure

Example Sentences

The mydriasis, amblyopia, and neuralgia lasted some time, while simultaneously the left eye could only read 19-17 type, but was painless.

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Finally it must be added, that if the ophthalmoscopic estimation of refraction is to be exact, mydriasis by atropine is required, when, as is known, even emmetropic eyes may show a slight degree of hypermetropia.

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She was attacked with fearful pain, and an enormous mydriasis with extreme amblyopia of the right eye; the fingers could hardly be counted when placed quite close.

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In mydriasis by atropine hypermetropia of 3 to 4 dioptres results.

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Visual acuteness on both sides 5/12, the left slightly better than the right; emmetropia in mydriasis by atropine.

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