miosis

miosis /mi·o·sis/ (mi-o´sis) contraction of the pupil.

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mi·o·sis or my·o·sis (m-ss)

n. pl. mi·o··ses (-sz)

1. The period of decline of a disease in which the intensity of the symptoms begins to diminish.

2. 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.

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miosis (mī·ōˑ·sis),

n an ocular condition characterized by excessive constriction of the sphincter muscles of the iris; results in small pupils; stimulation of the pupillary reflex by an increase in light and certain drugs may result in temporary miosis.

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miosis

(mīō´sis),
n 1. the contraction of the sphincter muscle of the iris, causing the pupil to become smaller.
n 2. an abnormal condition characterized by excessive constriction of the sphincter muscle of the iris, resulting in very small, pinpoint pupils.

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miosis, myosis

excessive contraction of the pupil.