Nystagmus, Pathologic
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)
Year introduced: 2000
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Subheadings:
Tree Number(s): C10.292.562.675, C11.590.400
MeSH Unique ID: D009759
Entry Terms:
- Pathologic Nystagmus
- Convergence Nystagmus
- Nystagmus, Convergence
- Horizontal Nystagmus
- Nystagmus, Horizontal
- Jerk Nystagmus
- Nystagmus, Jerk
- Pendular Nystagmus
- Nystagmus, Pendular
- Periodic Alternating Nystagmus
- Nystagmus, Periodic Alternating
- Rotary Nystagmus
- Nystagmus, Rotary
- Rotational Nystagmus
- Nystagmus, Rotational
- See-Saw Nystagmus
- Nystagmus, See-Saw
- See Saw Nystagmus
- Vertical Nystagmus
- Nystagmus, Vertical
- Conjugate Nystagmus
- Nystagmus, Conjugate
- Dissociated Nystagmus
- Nystagmus, Dissociated
- Fatigable Positional Nystagmus
- Nystagmus, Fatigable Positional
- Multidirectional Nystagmus
- Nystagmus, Multidirectional
- Non-Fatigable Positional Nystagmus
- Non Fatigable Positional Nystagmus
- Nystagmus, Non-Fatigable Positional
- Positional Nystagmus, Non-Fatigable
- Permanent Nystagmus
- Nystagmus, Permanent
- Rebound Nystagmus
- Nystagmus, Rebound
- Retraction Nystagmus
- Nystagmus, Retraction
- Spontaneous Ocular Nystagmus
- Nystagmus, Spontaneous Ocular
- Ocular Nystagmus, Spontaneous
- Symptomatic Nystagmus
- Nystagmus, Symptomatic
- Temporary Nystagmus
- Nystagmus, Temporary
- Unidirectional Nystagmus
- Nystagmus, Unidirectional
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