Epidemic keratoconjunctivitis

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Background

  • Form of viral conjunctivitis that causes keratitis in addition to conjunctivitis
  • Caused by adenovirus infection that is highly contagious and tends to occur in epidemics
    • Vision-threatening
Subepithelial infiltrates in EKC

Clinical Features

  • Often preceded by prodrome of cough, high fever, malaise, myalgias, nausea/vomiting
  • Usual symptoms of viral conjunctivitis plus:
    • Foreign body sensation
    • Photohobia
    • Chemosis
    • Papillae of inf palpebral conjunctiva
    • Ipsilateral preauricular lymphadenopathy
  • Slit lamp exam - diffuse, superficial keratitis but no corneal ulceration
    • Subepithelial infiltrates likely secondary to adenoviral antigens deposited in corneal stroma[1]

Differential Diagnosis

Conjunctivitis Types

Diagnosis

  • Clinical diagnosis

Management

  • Artifical tears
  • Cool compresses
  • Cycloplegics if photophobia is severe

Disposition

  • Discharge with rapid ophtho follow-up.

See Also

References

  1. ↑ Park SJ, Jang YS, Koh TH, Kwon YA, Song SW. Development of EKC after Eximer Laser Photorefractive Surgery and Subsequent Recurrence of EKC-like Keratitis. Korean Journal of Ophthalmology : KJO. 2011;25(6):443-446. doi:10.3341/kjo.2011.25.6.443.
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