Miosis reduces the amount of light that enters the eye, which is necessary in daily life as the levels of light change in an. Both terms refer to the closing of the pupil through the actions of small muscles in the eye. * 1668 December 19,, “ Mr.'' Alexander Seaton ''contra'' Menzies” in ''The Deci?ions of the Lords of Council & Se?ion I (Edinburgh, 1683), page 575 Miosis is a medical term referring to the constriction of the pupil.This is a rare condition that can occur following a stroke, damage to the brainstem, or due to a tumor. ( senseid)A student under the supervision of a teacher or professor. One condition that can commonly cause pinpoint pupils is known as Horner syndrome, or oculosympathetic palsy.miotic drug, myotic, myotic drug drug - a substance that is used as a. Pupil diameter exhibited a definite circadian pattern. Also the actions on the bowel and the pupil persist, and the morphine addict thus manifests constipation and miosis.2The only studies that have professed. (legal, obsolete) An orphan who is a minor and under the protection of the state. miotic - a drug that causes miosis (constriction of the pupil of the eye). Stimulation with intense light further constricted the miotic pupils of heroin-intoxicated patients.

Miotic pupil