نتایج جستجو برای: pupillary diameter

تعداد نتایج: 114925  

Journal: :Investigative ophthalmology & visual science 2006
Olavi Pärssinen Esa Leppänen Pekka Keski-Rahkonen Timo Mauriala Benoit Dugué Marko Lehtonen

PURPOSE To study iris-related complications during cataract surgery in patients on tamsulosin medication. METHODS Twenty-one consecutive cataract patients administered tamsulosin and 21 control patients were studied. Characteristics of the iris during surgery were recorded. Pupillary diameters of 16 patients were measured before and after iris dilatation. Tamsulosin concentrations in the aque...

2005
D. Trunkey

• The baroceptors of the carotid sinus (and arterj') and the aortic arch are the major sense organs which reflexly control the systemic blood pressure. Since the demonstration of the reflex function of these receptors, there has been much work on the responses of the blood pressure, heart, and peripheral vessels to changes in pressure in the carotid arteries and the aorta," on blood flow in par...

Journal: :Japanese journal of pharmacology 1968
M L Gupta B P Jaju K P Bhargava

Reserpine, on systemic administration (1) as well as after intracerebroventricular injection (2), exerts parasympathomimetic effects such as miosis, salivation, and diarrhoea. These effects have been attributed to increased central parasympathetic activity since reserpine increases the acetylcholine contents of the hy pothalamus (3). A direct parasympathomimetic action of reserpine has been exc...

Journal: :Arquivos brasileiros de oftalmologia 2013
Eduardo Marcelo Moron de Andrade Wallace Chamon

PURPOSE Identify ideal profiles in patients undergoing to photorefractive laser surgery with the aid of an automated pupillometry and psychometric analysis of patients with visual function questionnaire (VQF 25). METHODS Seventy-seven patients undergoing photorefractive laser surgery laser (LASIK) were analyzed with the aid of an automated digital pupillometer based on an infrared camera coup...

2018
Parthasarathi Roy

Pseudo-phakic pupillary block glaucoma in postoperative period may mimic acute endophthalmitis. This article illustrates how clinical differentiation of pseudo-phakic pupillary block glaucoma from postoperative acute endophthalmitis was done as ultrasonography produced confusing results.

Journal: :Development 1994
R Lang M Lustig F Francois M Sellinger H Plesken

We have characterized the nature and pattern of cell death during regression of the pupillary membrane, a developmentally transient capillary network found in the anterior chamber of the eye. This analysis has revealed that the cellular components of the pupillary membrane include vascular endothelial cells in an intricate network of fine capillaries as well as attendant macrophages. The capill...

2015
Bruno Gingras Manuela M. Marin Estela Puig-Waldmüller W. T. Fitch

Pupillary responses are a well-known indicator of emotional arousal but have not yet been systematically investigated in response to music. Here, we measured pupillary dilations evoked by short musical excerpts normalized for intensity and selected for their stylistic uniformity. Thirty participants (15 females) provided subjective ratings of music-induced felt arousal, tension, pleasantness, a...

2004
G J Ben Simon F A Abraham S Melamed

Aim: To evaluate the paradoxical pupillary constriction in darkness in patients with Pingelapese achromatopsia (PA), and to describe a connection between this phenomenon and the clinical features. Methods: 27 patients with PA were examined. All underwent a full ophthalmic examination which included Snellen visual acuity and ophthalmoscopy. Colour vision examination was performed with Ishihara p...

Journal: :Biological psychiatry 2011
Greg J Siegle Stuart R Steinhauer Edward S Friedman Wesley S Thompson Michael E Thase

BACKGROUND Although up to 60% of people with major depressive disorder respond to cognitive therapy (CT) in controlled trials, clinicians do not routinely use standardized assessments to inform which patients should receive this treatment. Inexpensive, noninvasive prognostic indicators could aid in matching patients with appropriate treatments. Pupillary response to emotional information is an ...

Journal: :The British journal of ophthalmology 2004
G J Ben Simon F A Abraham S Melamed

AIM To evaluate the paradoxical pupillary constriction in darkness in patients with Pingelapese achromatopsia (PA), and to describe a connection between this phenomenon and the clinical features. METHODS 27 patients with PA were examined. All underwent a full ophthalmic examination which included Snellen visual acuity and ophthalmoscopy. Colour vision examination was performed with Ishihara p...

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