Not to be confused with Meiosis, Mitosis, or Myositis.
Medical condition
Miosis
Other names
Myosis, pinpoint pupil
Miosis from bright light pointed directly at the eye. Pupil measured 2.3 mm in diameter
Pronunciation
/maɪˈoʊsɪs/
Specialty
Ophthalmology
Symptoms
Constricted pupils
Miosis, or myosis (from Ancient Greek μύειν (múein) 'to close the eyes'), is excessive constriction of the pupil.[1][2][3][4] The opposite condition, mydriasis, is the dilation of the pupil. Anisocoria is the condition of one pupil being more dilated than the other.
^Farlex medical dictionary citing:
Miller-Keane Encyclopedia & Dictionary of Medicine, Nursing, and Allied Health, 7th ed.
Miosis, or myosis (from Ancient Greek μύειν (múein) 'to close the eyes'), is excessive constriction of the pupil. The opposite condition, mydriasis, is...
The opposite, constriction of the pupil, is referred to as miosis. Both mydriasis and miosis can be physiological. Anisocoria is the condition of one pupil...
uncorrected refractive error, reductions in sensitivity due to age and pupil miosis. This highlights focal loss only (i.e. vision loss suspected from only pathological...
muscle. Another term for the constriction of the pupil is miosis. Substances that cause miosis are described as miotic. Dilation of the pupil is mydriasis...
pupil, via the optic and oculomotor cranial nerve. A constriction response (miosis), is the narrowing of the pupil, which may be caused by scleral buckles...
include increased sweating, salivation, bronchial secretions along with miosis (constricted pupils). This crisis may be masked by the concomitant use of...
sunglasses are provided for comfort. Adie syndrome Anisocoria Marcus Gunn pupil Miosis Parinaud's syndrome Syphilis "cycloplegia" at Dorland's Medical Dictionary...
acetylcholinesterase in the synaptic cleft. Muscarine poisoning is characterized by miosis, blurred vision, increased salivation, excessive sweating, lacrimation,...
topical ocular and intraocular administration its principal effects are miosis and increased aqueous humour outflow. In the cat and rat, carbachol is well...
relatively similar. One of the first observable signs of a soman poisoning is miosis. Some, but not all of the later indications are vomiting, extreme muscle...
PMID 17711542. Hofeldt, Gregory T.; Simon, John W. (2002-10-01). "Polycoria, miosis, and amblyopia". Journal of American Association for Pediatric Ophthalmology...
rhinitis. The most common side effects include headache, back and muscle pain, miosis or pinpoint pupils, nausea, drowsiness, and menstrual cramps. Anxiety and...
vasodilation, and diarrhea. Eye drops can result in brow ache and chronic use in miosis. It can also cause temporary blurred vision or darkness of vision, temporary...
by muscarinic receptor agonists (e.g., pilocarpine), which cause rapid miosis and contraction of the ciliary muscles, opening the trabecular meshwork...
lightness/darkness. A greater intensity of light causes the pupil to constrict (miosis/myosis; thereby allowing less light in), whereas a lower intensity of light...
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