physiological nystagmus
- noun
- /ˌfɪziəˈlɑɡɪkəl nɪˈstæɡməs/
- Specialized
- If physiological nystagmus is artificially suppressed, the patient's vision may rapidly fade.
Examples
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The presence of physiological nystagmus helps prevent sensory adaptation and keeps visual perception stable.
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Doctors often observe physiological nystagmus during routine eye examinations.
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The physiological nystagmus is a fascinating phenomenon.
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Have you ever experienced physiological nystagmus during a long car ride?
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During a long flight, I noticed physiological nystagmus as my eyes adjusted to the changing views outside the window.
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Doctors consider physiological nystagmus as a normal response that aids in maintaining clear vision.
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Observing physiological nystagmus can be an essential part of a comprehensive eye examination for visual stability.
Synonyms
Fast, repeated movements of the eyes that happen without control
Surface Forms
Morphology
This is a straightforward adjective + noun combination: 'physiological' (relating to normal biological function) simply qualifies 'nystagmus' (involuntary rapid eye movements), so the phrase denotes the natural/normal form of nystagmus that helps visual stability. Such subtype formation is cross-linguistically common and thus immediately derivable by learners who know both constituent meanings.
Etymology
The name physiological nystagmus comes from words meaning physiological 'normal' and nystagmus 'quick nodding', so imagine the eyes making tiny, quick nods like a camera that moves a little to stop the picture from fading. That's why it refers to the small, automatic eye movements that help keep our vision steady.