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Horizontal gaze palsy is a condition where both eyes have difficulty moving side to side. It occurs due to disruption in the neural pathways controlling horizontal eye movement. This can affect one or both directions of gaze. The condition often points to brainstem involvement. Doctors evaluate it as part of a neurologic exam.
read more about horizontal gaze palsy ...Patients may notice limited side gaze. Double vision can occur. Head turning may compensate for eye movement limits. Symptoms depend on severity. Neurologic signs may coexist.
The condition reflects damage to specific neural centers. Several causes are commonly evaluated.
Diagnosis relies on eye movement testing. Imaging helps locate lesions. Neurologic exams are essential. Findings guide referral and management.
Horizontal gaze limitation often leads to compensatory head turning, trouble tracking moving objects, and sometimes double vision depending on the pathway involved. People may notice bumping into objects on one side, difficulty scanning a room, or strain when reading across a line of text. Since horizontal gaze control is tied to brainstem circuits, clinicians pair bedside eye movement testing with neurologic assessment and imaging when the presentation suggests a central cause.
No. It involves gaze centers, not just one nerve.
Yes. Both eyes are typically affected.
Outcome depends on the cause. Some cases improve.
No. Pain is not typical.
1. Eye movement disorders. American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/eye-movement-disorders. Accessed July 9, 2025.
2. Brainstem disorders. National Eye Institute. https://www.nei.nih.gov/learn-about-eye-health. Accessed July 9, 2025.
3. Gaze palsy overview. Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/22328-gaze-palsy. Accessed July 9, 2025.
4. Adams and Victor’s Principles of Neurology. Ropper AH, et al. McGraw-Hill; 2019.
5. Clinical Neuro-Ophthalmology. Miller NR, Newman NJ. Lippincott Williams & Wilkins; 2019.