Nystagmus, Saccadic Intrusions, and Oscillations

Quirós, Peter A.; Yee, Robert D.

doi:10.1016/b978-0-323-04332-8.00173-6

Cited by 7 publications

(6 citation statements)

References 43 publications

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“…The nuclei of the nerves responsible for eye movement are located in this region. The oculomotor nerve (cranial nerve III) is located in the upper portion of the midbrain; the trochlear nerve (IV) is located below the lateral nucleus of the oculomotor nerve, more exactly in the pons; and the abducens (VI) is located in the pons, on the floor of the fourth ventricle 42 . Thus, ocular motricity is vulnerable to diseases that affect this region.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of vestibular and oculomotor functions in individuals with dizziness after stroke

Pimentel

Filha

2019

Arq. Neuro-Psiquiatr.

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Changes in postural balance and visual complaints are frequent consequences of stroke. We aimed to investigate the symptoms and the vestibular and oculomotor functions of patients with dizziness post ischemic and hemorrhagic stroke and compare the results among them. Methods: Fifty patients with dizziness after stroke were evaluated through a clinical anamnesis and computerized vector electronystagmography: calibration of ocular movements, spontaneous nystagmus, semi-spontaneous nystagmus, pendular tracking, optokinetic nystagmus, rotary chair testing, and the caloric test. Results: All patients complained of dizziness, especially imbalance. Ischemic stroke in the carotid territory was the prevalent type. Visual complaints were reported by 56% of the sample and were related to abnormalities in oculomotor and caloric tests. Conclusion: The occurrence of visual symptoms was related to some abnormalities in the vector electronystagmography tests, being more frequent in cases of stroke in the vertebrobasilar system, and with oscillopsia and reduced visual acuity as symptoms.

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Section: Discussionmentioning

confidence: 99%

Evaluation of vestibular and oculomotor functions in individuals with dizziness after stroke

Pimentel

Filha

2019

Arq. Neuro-Psiquiatr.

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“…The latter confirmed that many children with IN fare well visually. Differences in foveation periods and so-called null region gaze directions seem to explain some of the variation in visual acuity levels (18, 19, 25, 28, 30, 31). In the test situation, under optimum illumination and contrast, the children exploit the best parts of their visual acuity fields (32).…”

Section: Discussionmentioning

confidence: 99%

“…In humans, visual development may suffer due to congenital or perinatally acquired lesions and manifest not only as poor visual interest, but also as sensory or secondary nystagmus (18, 19). This clearly differs from the infantile nystagmus (IN) group, which is the focus of the present study.…”

Section: Introductionmentioning

confidence: 99%

Infantile Nystagmus and Visual Deprivation: Foveal Instability and Refractive Development in a Low Vision Register Series

Fledelius

Jensen

2013

European Journal of Ophthalmology

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“…It is characterized by the planes of the oscillation, directions of gaze at which nystagmus is present, degree of conjugacy, its amplitude and frequency [1]. By definition, nystagmus must have a slow and fast phase [2]. It can be congenital, acquired or physiological, with variations within each type [1,3].…”

Section: Streszczeniementioning

confidence: 99%

Oczopląs – żart czy objaw patologiczny (opis przypadku pacjentki z oczopląsem umyślnym)

Zawadzka¹,

Szymarek²,

Matheisel³

et al. 2019

Child Neurology

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Voluntary nystagmus is a pendular, rapid, primarily horizontal oscillation of the eyes, without a slow phase, often initiated and maintained by voluntary effort, its duration limited by fatigue. We present a case of 13-year old girl with nystagmus, severe headache and nausea. On examination the subject's eyes moved normally, but during fixation at near point horizontal nystagmus was observed and the girl complained about blurred vision. Otherwise, opthalmological examination and brain MRI revealed no abnormalities. Close observation of the girl proved that she can produce nystagmus voluntarily. Voluntary nystagmus should be considered in every individual case of patients diagnosed with isolated, intermittent nystagmus, especially of those without ophthalmologically or neurologically pathologic findings.

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Nystagmus, Saccadic Intrusions, and Oscillations

Cited by 7 publications

References 43 publications

Evaluation of vestibular and oculomotor functions in individuals with dizziness after stroke

Evaluation of vestibular and oculomotor functions in individuals with dizziness after stroke

Infantile Nystagmus and Visual Deprivation: Foveal Instability and Refractive Development in a Low Vision Register Series

Oczopląs – żart czy objaw patologiczny (opis przypadku pacjentki z oczopląsem umyślnym)

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