Miosis Definition

mīōsis
mioses, myoses
noun
Constriction of the pupil of the eye, resulting from a normal response to an increase in light or caused by certain drugs or pathological conditions.
American Heritage Medicine

Contraction of the pupil of the eye.

Horner's syndrome consists of miosis, eyelid ptosis and absent forehead sweating.
Wiktionary

Other Word Forms of Miosis

Noun

Singular:
miosis
Plural:
mioses

Origin of Miosis

  • From Ancient Greek μύειν (mÅ«ein, “to close the eyes") + -osis.

    From Wiktionary

  • Greek mūein to close the eyes –osis

    From American Heritage Dictionary of the English Language, 5th Edition

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