Pathologic Nystagmus

Involuntary movements of the eye that are divided into two types, jerk and pendular. Jerk nystagmus has a slow phase in one direction followed by a corrective fast phase in the opposite direction, and is usually caused by central or peripheral vestibular dysfunction. Pendular nystagmus features oscillations that are of equal velocity in both directions and this condition is often associated with visual loss early in life. (Adams et al., Principles of Neurology, 6th ed, p272)

Also Known As:

Nystagmus, Pathologic; Conjugate Nystagmus; Dissociated Nystagmus; Fatigable Positional Nystagmus; Multidirectional Nystagmus; Non-Fatigable Positional Nystagmus; Permanent Nystagmus; Rebound Nystagmus; Retraction Nystagmus; Rotational Nystagmus; Spontaneous Ocular Nystagmus; Symptomatic Nystagmus; Temporary Nystagmus; Unidirectional Nystagmus; Non Fatigable Positional Nystagmus; Nystagmus, Conjugate; Nystagmus, Convergence; Nystagmus, Dissociated; Nystagmus, Fatigable Positional; Nystagmus, Horizontal; Nystagmus, Jerk; Nystagmus, Multidirectional; Nystagmus, Non-Fatigable Positional; Nystagmus, Pendular; Nystagmus, Periodic Alternating; Nystagmus, Permanent; Nystagmus, Rebound; Nystagmus, Retraction; Nystagmus, Rotary; Nystagmus, Rotational; Nystagmus, See-Saw; Nystagmus, Spontaneous Ocular; Nystagmus, Symptomatic; Nystagmus, Temporary; Nystagmus, Unidirectional; Nystagmus, Vertical; Ocular Nystagmus, Spontaneous; Positional Nystagmus, Non-Fatigable; See Saw Nystagmus; Convergence Nystagmus; Horizontal Nystagmus; Jerk Nystagmus; Pendular Nystagmus; Periodic Alternating Nystagmus; Rotary Nystagmus; See-Saw Nystagmus; Vertical Nystagmus

Nervous System Diseases: 14737
- Cranial Nerve Diseases: 564
  - Ocular Motility Disorders: 523
    - Pathologic Nystagmus: 208
Eye Diseases: 3620
- Ocular Motility Disorders: 523
  - Pathologic Nystagmus: 208

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