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Ophthalmology30 papers

Vertical myoclonus

Last edited: 4/15/2026

Overview

Vertical myoclonus refers to involuntary, brief, shock-like movements primarily affecting the trunk or limbs in a vertical plane, often observed in patients with underlying neurological conditions 1.

Diagnosis

  • Identification of involuntary, sudden movements predominantly in a vertical direction 1.
  • Clinical assessment may involve evaluating adaptation to vertical prism to detect reduced adaptation indicative of vertical heterophoria 1.

    • Management

  • Vertical prismatic correction may be considered for patients with reduced adaptation to induced vertical prism 1.
  • Specific drug treatments for vertical myoclonus are not detailed in the provided abstracts; management often focuses on addressing underlying causes 1.

    • Special Populations

  • No specific guidance provided for pregnancy, pediatrics, elderly, or comorbidities related to vertical myoclonus in the given abstracts 1.

    • Key Recommendations

  • Evaluate patients for reduced adaptation to vertical prism to identify those suitable for vertical prismatic correction (Evidence: Expert opinion) 1.
  • Consider underlying neurological conditions contributing to vertical myoclonus and tailor management accordingly (Evidence: Expert opinion) 1.
  • Further research is needed to establish definitive pharmacological treatments for vertical myoclonus (Evidence: Expert opinion) 1.

    • References

    1 Eskridge JB. Adaptation to vertical prism. American journal of optometry and physiological optics 1988. link

    Original source

    1. [1]
      Adaptation to vertical prism. — Eskridge JB American journal of optometry and physiological optics (1988)
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