Red eye

Red eye is a topic covered in the Diagnosaurus.

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Emergency Central

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DDx

Don’t miss

  • Acute glaucoma

DDX

  • Conjunctivitis (viral, bacterial, allergic)
  • Uveitis
  • Acute glaucoma
  • Foreign body or corneal abrasion
  • Keratitis (corneal ulcer or inflammation), eg, herpes simplex
  • Scleritis or episcleritis
  • Trauma
  • Subconjunctival hemorrhage
  • Eyelid disorder, eg, hordeolum, chalazion, blepharitis
  • Cluster headache
  • Keratoconjunctivitis sicca (dry eyes)

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Last updated: March 12, 2015