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词汇 nystagmus
释义

Definition of nystagmus in English:

nystagmus

noun nɪˈstaɡməsnəˈstæɡməs
mass noun
  • Rapid involuntary movements of the eyes.

    眼球震颤

    Example sentencesExamples
    • Dysmetria, nystagmus, and cranial nerve palsies, especially involving the sixth and third nerves, may result from lesions of the brain stem and cerebellum.
    • Tremor can be found in multiple sclerosis often with slurred speech and jerky eye movements, called nystagmus.
    • It principally manifests itself as an increase of the dark adaptation threshold, nystagmus, and often moderate to high short sightedness, although the refractive state may be long sighted or normal.
    • The physical examination demonstrated horizontal and vertical nystagmus, ataxia and peripheral neuropathy.
    • The illness was characterised by gait disturbance, a relapsing and remitting course, nystagmus, and status epilepticus.
    • Benign paroxysmal positional vertigo is a common disorder, characterized by a history of positional symptoms and positional nystagmus.
    • Potentially serious neurologic disease should be suspected in patients with focal neurologic signs, severe ataxia, nystagmus changing direction, vertical nystagmus and abnormal eye movement.
    • Side effects are similar to those of parenteral phenytoin: nystagmus, dizziness, pruritus, paraesthesias, headache, somnolence, and ataxia.
    • Common symptoms include weakness or numbness of a limb, monocular visual loss, diplopia, vertigo, facial weakness or numbness, sphincter disturbances, ataxia, and nystagmus.
    • The most common adverse effects are somnolence, dizziness, ataxia, fatigue and nystagmus.
    • Albinos regularly turn their heads to the side and roll their eyes in a circular motion in an attempt to find a favourable axis of sight; they suffer from rapid nystagmus, and blink constantly.
    • Doses should be withheld for nystagmus, sedation, ataxia, or dysarthria.
    • She suffers from a combination of dyslexia and a severe visual impairment consisting of severe photophobia, nystagmus and cone dystrophy.
    • He is raising money through sponsorship for a charity which supports people suffering from nystagmus, an incurable eye condition.
    • Toxic side effects of phenytoin include nystagmus, dysarthria, diplopia, ataxia, and exacerbation of seizures.
    • He had complete ptosis, limitation of eye movements in all directions, and nystagmus on lateral gaze.
    • The direction of these beating, jerking, movements of the eye called nystagmus can actually tell a doctor which part of the inner ear has a problem.
    • They had slower reaction times for visual and auditory stimuli, as well as subtle chorea, dystonia, and nystagmus.
    • Firstly, patients who develop significant symptoms with testing but do not develop nystagmus do not have benign paroxysmal positional vertigo.
    • Patients often have nystagmus, ataxia, and in severe poisonings, cerebral edema.

Derivatives

  • nystagmic

  • adjective
    • The invention provides a tinted pair of lenses for overcoming the deleterious effects of nystagmic oscillations, particularly in persons suffering from dyslexia.
      Example sentencesExamples
      • With no attention to individual objects, gaze velocity is low but nystagmic frequency is high (stare nystagmus).
      • Failure of adaptation of nystagmic eye movements to occur under certain conditions of stimulation by angular acceleration has been ascribed to a failure to allow the eye-movement response to run its course.
      • Functional nystagmic eye movements are compensatory responses meant to stabilize the gaze during head movement.

Origin

Early 19th century: from Greek nustagmos 'nodding, drowsiness', from nustazein 'nod, be sleepy'.

Definition of nystagmus in US English:

nystagmus

nounnəˈstæɡməsnəˈstaɡməs
  • Rapid involuntary movements of the eyes.

    眼球震颤

    Example sentencesExamples
    • Tremor can be found in multiple sclerosis often with slurred speech and jerky eye movements, called nystagmus.
    • Albinos regularly turn their heads to the side and roll their eyes in a circular motion in an attempt to find a favourable axis of sight; they suffer from rapid nystagmus, and blink constantly.
    • Dysmetria, nystagmus, and cranial nerve palsies, especially involving the sixth and third nerves, may result from lesions of the brain stem and cerebellum.
    • The illness was characterised by gait disturbance, a relapsing and remitting course, nystagmus, and status epilepticus.
    • The physical examination demonstrated horizontal and vertical nystagmus, ataxia and peripheral neuropathy.
    • They had slower reaction times for visual and auditory stimuli, as well as subtle chorea, dystonia, and nystagmus.
    • He is raising money through sponsorship for a charity which supports people suffering from nystagmus, an incurable eye condition.
    • Patients often have nystagmus, ataxia, and in severe poisonings, cerebral edema.
    • Toxic side effects of phenytoin include nystagmus, dysarthria, diplopia, ataxia, and exacerbation of seizures.
    • It principally manifests itself as an increase of the dark adaptation threshold, nystagmus, and often moderate to high short sightedness, although the refractive state may be long sighted or normal.
    • Common symptoms include weakness or numbness of a limb, monocular visual loss, diplopia, vertigo, facial weakness or numbness, sphincter disturbances, ataxia, and nystagmus.
    • The most common adverse effects are somnolence, dizziness, ataxia, fatigue and nystagmus.
    • Potentially serious neurologic disease should be suspected in patients with focal neurologic signs, severe ataxia, nystagmus changing direction, vertical nystagmus and abnormal eye movement.
    • She suffers from a combination of dyslexia and a severe visual impairment consisting of severe photophobia, nystagmus and cone dystrophy.
    • The direction of these beating, jerking, movements of the eye called nystagmus can actually tell a doctor which part of the inner ear has a problem.
    • Side effects are similar to those of parenteral phenytoin: nystagmus, dizziness, pruritus, paraesthesias, headache, somnolence, and ataxia.
    • He had complete ptosis, limitation of eye movements in all directions, and nystagmus on lateral gaze.
    • Firstly, patients who develop significant symptoms with testing but do not develop nystagmus do not have benign paroxysmal positional vertigo.
    • Doses should be withheld for nystagmus, sedation, ataxia, or dysarthria.
    • Benign paroxysmal positional vertigo is a common disorder, characterized by a history of positional symptoms and positional nystagmus.

Origin

Early 19th century: from Greek nustagmos ‘nodding, drowsiness’, from nustazein ‘nod, be sleepy’.

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