Results 11 to 20 of about 26,806 (291)

Bilateral Adie’s Tonic Pupil

open access: yesTürk Oftalmoloji Dergisi, 2013
A 37-year-old male patient applied with the complaint of photophobia and having difficulties in reading. Both pupils were found to be dilated and unreactive to light but responsive to accommodation.
Berker Bakbak   +4 more
doaj   +2 more sources

Abnormal pupils at the bedside: rapid recognition of neurologic and systemic emergencies in acute care settings [PDF]

open access: yesInternational Journal of Emergency Medicine
Background Pupillary abnormalities are critical bedside findings that may indicate both benign physiologic variation and life-threatening neurologic emergencies.
Dawn C. Penney   +2 more
doaj   +2 more sources

Locus coeruleus tonic upregulation increases selectivity to inconspicuous auditory information in autistic compared to non-autistic individuals: a combined pupillometry and electroencephalography study [PDF]

open access: yesMolecular Autism
Background Sensory processing requires selectivity to salient sensory input. Many autistic individuals report different sensory processing, which has been associated with altered sensory selectivity.
Nico Bast   +13 more
doaj   +2 more sources

The diagnostic significance of pupillary reflex pathways: insights from classical examination and advanced pupillometry [PDF]

open access: yesFrontiers in Neuroscience
Background/objectivesThe pupil, a dynamic ocular structure, serves as a critical indicator of neurological and ophthalmological function. This interdisciplinary review explores the anatomical, physiological, and pathological aspects of pupillary reflexes
Łukasz Lisowski   +5 more
doaj   +2 more sources

Zoom behavior during visual search modulates pupil diameter and reflects adaptive control states

open access: yesPLoS ONE, 2023
Adaptive gain theory proposes that the dynamic shifts between exploration and exploitation control states are modulated by the locus coeruleus-norepinephrine system and reflected in tonic and phasic pupil diameter.
Tad T. Brunyé   +6 more
doaj   +2 more sources

Tonic pupil in leprosy [PDF]

open access: yesArquivos Brasileiros de Oftalmologia, 2014
Pupil abnormalities in leprosy usually result from chronic iritis with loss of stroma, iris miosis, a sluggish reaction to light, and poor dilation in response to anticholinergic mydriatics. We report two patients with long-standing lepromatous leprosy who developed tonic pupils characterized by mydriasis, absence of reaction to light and ...
Marco Aurélio, Lana-Peixoto   +4 more
openaire   +5 more sources

A pupillometric investigation of state regulation in adults scoring high versus low on ADHD symptomatology

open access: yesActa Psychologica, 2023
According to the state regulation deficit (SRD) account, ADHD is associated with difficulties regulating tonic arousal levels, which may be due to inefficient effort allocation. We aimed to test the SRD account by using a target detection task with three
Leonhard H. Drescher   +2 more
doaj   +1 more source

Unilateral Adie's tonic pupil and viral hepatitis: Report of two cases [PDF]

open access: yesSrpski Arhiv za Celokupno Lekarstvo, 2015
Introduction. Adie’s (tonic) pupil is a neuro-ophthalmological disorder characterized by a tonically dilated pupil, which is unresponsive to light.
Karadžić Jelena   +2 more
doaj   +1 more source

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