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Isolated unilateral post-traumatic internuclear ophthalmoplegia
1Division of Neurology, Department of Internal Medicine, University of Nevada, School of Medicine, Las Vegas, Nevada 8912, USA. worjun@aol.com
Summary
Isolated unilateral internuclear ophthalmoplegia (INO) after head trauma is uncommon. This case highlights potential mechanisms like shear injury affecting the medial longitudinal fasciculus in closed head trauma.
Area of Science:
- Neuroscience
- Ophthalmology
- Neurology
Background:
- Internuclear ophthalmoplegia (INO) is typically bilateral and associated with other neurological deficits.
- Closed head trauma is an uncommon cause of INO.
Observation:
- A patient presented with isolated unilateral internuclear ophthalmoplegia following head trauma.
Findings:
- The patient's condition was an atypical presentation of INO post-trauma.
- Potential mechanisms include shear injury, brainstem displacement, or vascular compromise of the medial longitudinal fasciculus.
Implications:
- This case expands understanding of INO as a potential complication of head trauma.
- Highlights the importance of considering INO in patients with neurological deficits after trauma.
- Suggests specific injury mechanisms that may lead to isolated INO.