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diplopia

diplopia / double vision

see also:

Introduction

  • this is a very common symptom
  • the clinician needs to determine if it is monocular or binocular

Aetiology

monocular diplopia

  • ie. double vision with one eye closed
  • keratoconus
  • astigmatism
  • lens subluxation
  • structural defects of the eye
  • anterior visual cortex defect
  • non-organic causes

binocular diplopia

  • strabismus but this usually results in suppression of second image and resultant amblyopia
  • fatigue
  • voluntary cross-eyed
  • medications and substance use
    • alcohol intoxication
    • benzodiazepines or opioids especially if in high doses
    • antoconvulsants
    • ketamine
    • cannabis
  • concussion
  • migraine
  • cranial nerve palsy eg. MS, diabetes, brain tumour, intracranial lesions eg. abscess
  • orbital myositis
  • eye injuries
  • dystonic reactions
  • myasthenia gravis
  • Wernicke's encephalopathy
diplopia.txt · Last modified: 2018/09/10 19:02 (external edit)