Medical term:
mydriasis
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
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