Traumatic mydriasis

Background

  • Pupillary dilation due to blunt eye trauma
    • Pupil is poorly reactive to light in both direct and consensual light exposure
  • Occurs due to small tears in the ciliary muscles
  • May be transient or permanent
  • No specific ED management, but requires ophthalmology follow up
  • Diagnosis of exclusion!

Clinical Features

Differential Diagnosis

Evaluation

  • Clinical; rule out intracranial injury


Management

  • No specific ED management

Disposition

  • If no other injuries/pathology, discharge with optho follow up

See Also

External Links

References