mydriasis


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mydriasis

 [mĭ-dri´ah-sis]
great dilatation of the pupil.

my·dri·a·sis

(mi-drī'ă-sis),
Dilation of the pupil.
[G.]

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.

my·dri·a·sis

(mi-drī'ă-sis)
Dilation of the pupil.
[G.]

mydriasis

Widening (dilatation) of the pupil of the eye, usually as a result of instillation of a mydriatic drug, such as ATROPINE or CYCLOPENTOLATE.

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.

my·dri·a·sis

(mi-drī'ă-sis)
Dilation of the pupil.
[G.]
References in periodicals archive ?
Any bird that presented with an ophthalmic abnormality was excluded from the study to minimize the possible influence of an ophthalmic disease on mydriasis. Approval of this study was obtained from the local ethics committee on animal experimentation (D.Lgs.vo 116/92).
Possible ocular side effects related to SSRI are mydriasis, increase in intraocular pressure (IOP), glaucoma, and oculogyric crisis.38-40 In the studies done with patients being treated with SSRI, the most common reason of patients leaving the study was the rise of visual impairment.
Associated mydriasis decreases in two weeks after the refractive examination.
With the effect of serotonin on pupil sphincter localized 5-HT7 receptor and as a result of activation of adenylate cyclase it causes an increase in c-AMP and muscle relaxation and rise passive mydriasis. (38-53)
The company has recently completed a Phase IIb trial of OMS302, which showed that the drug was significantly superior to vehicle both in reducing postoperative pain and maintaining mydriasis.
In this paper, we discuss the case of an 11-year-old patient, who was admitted to our outpatient clinic with the complaints of right ptosis, mydriasis and severe headache.
The Phase III of the clinical programme consists of adding OMS302 to standard irrigation solution used during lens replacement surgery to maintain intraoperative mydriasis (pupil dilation) and keep the levels of postoperative pain and inflammation under control.
Mydriasis may occur at first, and this may be followed by miosis.
Enrolled first patient in Phase III CHAPERONE study for progressive myopia in children; Presented positive results from the MicroStat Phase III MIST-1 and MIST-2 registration studies for pharmacologic mydriasis at the joint American Society of Cataract and Refractive Surgery (ASCRS) and American Society of Ophthalmic Administrators (ASOA) annual meeting and Successfully completed an underwritten public offering of its common stock in July 2019 with aggregate net proceeds to the Company of approximately $13.0 million.
In the European Union, the European Commission has approved Omidria for use in cataract surgery and other IOL replacement procedures to maintain mydriasis (pupil dilation), prevent miosis (pupil constriction), and to reduce postoperative eye pain.
A limitation of this study was the inability to induce mydriasis during ERG recordings.
Written consent was obtained from the subjects after explaining the effects of mydriasis. Those who refused dilatation of the pupil were excluded.