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Vertical Head Thrusting in Acquired Supranuclear Vertical Ophthalmoplegia
Yeon-Hee Lee1, Seong-Hae Jeong, Hyo-Jung Kim
1Departments of Ophthalmology (Y-HL, WL) and Neurology (S-HJ), Chungnam National University College of Medicine, Daejeon, Korea Research Administration Team, Seoul National University Bundang Hospital (H-JK), Seongnam, Korea Departments of Ophthalmology (J-MH) and Neurology (J-SK), Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.
Summary
Patients with congenital ocular motor apraxia (OMA) exhibit head thrusts. Acquired vertical gaze palsy can cause downward head thrusting, a sign that may improve with treatment.
Area of Science:
- Neuroscience
- Ophthalmology
- Neurology
Background:
- Congenital ocular motor apraxia (OMA) is characterized by horizontal head thrusts during gaze shifts.
- Vertical gaze palsy involves impaired voluntary vertical eye movements.
Observation:
- Two patients with acquired vertical gaze palsy presented with continuous upward gaze deviation.
- These patients exhibited intermittent downward head thrusting to correct their eye position.
Findings:
- Downward head thrusting was observed in patients with acquired vertical gaze palsy and upward deviation.
- This compensatory head movement aimed to realign gaze horizontally or downwards.
Implications:
- Vertical head thrusting may serve as a diagnostic indicator for acquired vertical gaze palsy.
- The findings suggest a potential link between specific head movements and vertical gaze abnormalities.