mydriasis

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mydriasis

 [mĭ-dri´ah-sis]
great dilatation of the pupil.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

my·dri·a·sis

(mi-drī'ă-sis),
Dilation of the pupil.
[G.]
Farlex Partner Medical Dictionary © Farlex 2012

mydriasis

(mĭ-drī′ə-sĭs)
n.
Dilation of the pupil of the eye, especially when excessive or prolonged, usually as a result of trauma, a medical disorder, or a drug.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

my·dri·a·sis

(mi-drī'ă-sis)
Dilation of the pupil.
[G.]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

mydriasis

Widening (dilatation) of the pupil of the eye, usually as a result of instillation of a mydriatic drug, such as ATROPINE or CYCLOPENTOLATE.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

mydriasis

1. Dilatation of the pupil. 2. The condition of an eye having an abnormally large pupil diameter (5 mm in daylight). The condition may be due to a paralysis of the sphincter pupillae muscle, to an irritation of the sympathetic pathway, to a drug (e.g. atropine, homatropine), or to adaptation to darkness. See miosis; dilator pupillae muscle; mydriatic; pupil.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann

my·dri·a·sis

(mi-drī'ă-sis)
Dilation of the pupil.
[G.]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
[4,6,7] Systemic effects include paraesthesiae of the tongue and lips, ophthalmoplegia characterised by visual disturbances, ptosis, fixed dilated pupils and loss of eye movements and accommodation, as well as loss of the sense of smell (anosmia) and taste.
For instance, Horner's syndrome is a condition in which damage affects the function of the upper segments (cervicothoracic) of the paravertebral sympathetic chain, leading to dilated pupil on the ipsilateral side in addition to ipsilateral eyelid ptosis and hemifacial anhidrosis [26].
According to the BBC, it said staff at the hospitals described a large number of patients arriving in the space of less than three hours with symptoms including convulsions, dilated pupils and breathing problems.
Under normal nighttime viewing conditions and with fully dilated pupils, the retinal image of a bright point source may span several tens of arcminutes and can be even greater than the angular size of the full Moon.
"My mother always told us we had to eat a certain amount of dirt before we die." Again, I sensed a note of sarcasm, but only because of the twinkle in one of her dilated pupils.
Strong BBC evidence of chemical attack in Saraqeb Frothing at the mouth, constricted breathing, dilated pupils and a terrible stench all corroborates reports of a chemical attack in the northern Syrian town of Saraqeb last month.
Consider this scenario: a patient presented to the ED with refractory hypoglycaemia and dilated pupils. He was shifted to the intensive care unit, after which it was revealed that he had injected himself with insulin and instilled atropine in his eyes, in order to seek hospitalization.2
I wrote a letter to one of their psychiatrists complaining that he had left these two ladies to just sit and stare with dilated pupils ...
breathing, his dilated pupils. If you see the imperfect circle
The probe found that Sharon Joyce Campbell, from Birmingham, did not ring an ambulance despite listening to the distraught caller tell how the patient - who had previously suffered a stroke - was losing consciousness, had green vomit and dilated pupils.
Ashitey maintained that when they arrived on the scene, the victim was nonresponsive not breathing, and unconscious with dilated pupils. Lewis and Ashitey immediately commenced cardiopulmonary resuscitation.
Dr Ansari, whose comments were corroborated by three other senior doctors at the hospital, said adverse reactions to the drug include dizziness, nausea, blurred vision, loss of balance, dilated pupils, photophobia, dry mouth and potentially extreme confusion.