miosis


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Related to miosis: meiosis, Horner's syndrome

miosis

[mī′ō·səs]
(physiology)
Contraction of the pupil of the eye.
References in periodicals archive ?
Seizure-induced miosis and ptosis: association with temporal lobe magnetic resonance imaging abnormalities.
Accommodation--when an individual accommodates, they also converge and undergo pupillary miosis.
Patients present with nausea, vomiting, bradycardia, and either miosis or mydriasis.
Although there was anhydrosis on the right, there was no obvious presence of ptosis or miosis on the right side suggestive of Horner's syndrome.
Patients with paroxysmal hemicrania often have additional autonomic symptoms, including nasal congestion, rhinorrhea, eyelid edema, forehead and facial sweating, miosis, and ptosis.
Physical examination was also significant for right miosis, ptosis, right facial dysesthesia, and right-beating nystagmus while looking to the left.
The portable system is capable of detecting harmful agents down to miosis levels, greatly increasing critical information needed by emergency responders and military personnel.
Approximately 3-8% of patients implanted with monofocal IOLs will achieve good near vision (adequate for reading newspaper print) due to pseudoaccommodative effects including pupil miosis and increased depth-of-field; chromatic aberration; monochromatic higher order aberrations such as spherical aberration and coma; corneal multifocality; low myopia and against-the-rule myopic astigmatism.
The commonest presentation is the acute cholinergic crisis, usually diarrhoea, urinary frequency, miosis, bradycardia, bronchorrhoea and bronchoconstriction, emesis, lacrimation, salivation (easily remembered by the mnemonic DUMBELS) and hypotension.
Horner's syndrome presents with ptosis and miosis, enophthalmos and anhydrosis, and was excluded on the basis of ipsilateral mydriasis and the absence of a high sensory or sympathetic block.
Attacks occur five or more times a day, typically last 2-30 minutes, and often involve autonomic symptoms such as lacrimation, rhinorrhea, eyelid edema, and miosis, but not restlessness or agitation, which are more characteristic of cluster headache.
2]) produces euphoria and is associated with morphine-like analgesia, respiratory depression, miosis, and inhibited GI motility.