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Photophobia in neurologic disorders.

Yiwen Wu1, Mark Hallett1

  • 1Human Motor Control Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive MSC 1428, Building 10, Room 7D37, Bethesda, MD 20892 USA.

Translational Neurodegeneration
|September 22, 2017
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Summary

Photophobia, or light sensitivity, is common in neurologic disorders but poorly understood. This review clarifies its definition, causes, and management in conditions like headache and brain injury.

Keywords:
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Area of Science:

  • Neurology
  • Ophthalmology
  • Neuroscience

Background:

  • Photophobia is a frequent symptom in various neurological conditions.
  • The underlying pathophysiology of photophobia remains largely unclear.
  • The definition and clinical significance of photophobia are often ambiguous.

Purpose of the Study:

  • To review the epidemiology and clinical features of photophobia in neurological disorders.
  • To discuss the definition, etiology, and pathogenesis of photophobia.
  • To summarize diagnostic and treatment strategies for photophobia.

Main Methods:

  • Literature review of epidemiological and clinical studies.
  • Analysis of the definition, causes, and mechanisms of photophobia.
  • Synthesis of current diagnostic and therapeutic approaches.

Main Results:

  • Photophobia presents across diverse neurological disorders, including primary headache, blepharospasm, progressive supranuclear palsy, and traumatic brain injury.
  • Etiology and pathogenesis vary depending on the specific neurological condition.
  • Standardized diagnostic criteria and effective treatments are still evolving.

Conclusions:

  • Clarifying the definition and pathophysiology of photophobia is crucial for neurological practice.
  • Further research is needed to elucidate the mechanisms and optimize management of photophobia.
  • A comprehensive understanding aids in diagnosing and treating patients with light sensitivity.