Vertical Gaze Palsy - EyeWiki
A vertical gaze palsy (VGP) is a conjugate, bilateral, limitation of the eye movements in upgaze and/or downgaze. [1] VGP can affect functional eye movements by selectively involving the saccadic pathway and may spare or involve smooth pursuit or optokinetic movements or non-selectively involve VGP for all types of eye movements.
Vertical gaze palsy - MedLink Neurology
2001年7月19日 · The author reviews the various manifestations and causes of vertical gaze palsy. These can affect upgaze, downgaze, or both, usually affecting saccades primarily. The localization can be at the brainstem, cranial nerve, neuromuscular junction, …
Parinaud's syndrome - Wikipedia
This vertical palsy is supranuclear, so doll's head maneuver should elevate the eyes, but eventually all upward gaze mechanisms fail. In the extreme form, conjugate down gaze in the primary position, or the "setting-sun sign" is observed.
Neuro-ophthalmology Illustrated Chapter 13 Diplopia 11 – Vertical …
2020年2月5日 · Bilateral lesions of the riMLF or its descending fibers will result in a more severe defect of vertical gaze than that due to unilateral lesions. Downward saccades are typically affected more than upward saccades, but a complete vertical gaze palsy also occurs.
Conjugate Gaze Palsies - Conjugate Gaze Palsies - The Merck …
A conjugate gaze palsy is inability to move both eyes together in a single horizontal (most commonly) or vertical direction.
Acute Bilateral Supranuclear Vertical Gaze Palsy: Vertical One …
Thalamic lesions can produce acute vertical gaze palsy. The vertical gaze abnormality in paramedian thalamic infarctions is speculated to be due to interruption of supranuclear fibers from the frontal eye fields traversing through the medial thalamus en route to …
Vertical Gaze Palsy - SpringerLink
2018年1月1日 · Vertical gaze palsy (VGP) is a conjugate gaze palsy that results in the inability to move both eyes in a single vertical direction (upgaze or downgaze or both). It usually occurs bilaterally; however, it is occasionally seen unilaterally (Rubin 2014).
Supranuclear Vertical Gaze Palsy in Movement Disorders
2024年7月17日 · Understanding this phenomenon is essential for accurate diagnosis and effective management. This review aims to present a practical overview of vertical gaze palsy, its manifestation in various movement disorders, and the clinical relevance of such impairments.
Bilateral, vertical supranuclear gaze palsy following unilateral ...
2020年11月4日 · Vertical gaze palsy describes a conjugate bilateral limitation of upgaze and/or downgaze. It primarily affects the saccadic eye movement pathway but can also affect smooth pursuit or optokinetic movements, and can be considered as a supranuclear, nuclear or infranuclear problem of origin.
vertical gaze palsy | Hereditary Ocular Diseases - University of …
Vertical gaze palsy has its onset between 7 and 15 years of age. Nystagmus and oculomotor apraxia are often present.