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Caterpillar induced kerato-conjunctivitis

I Vissenberg1, P Raus, T Van Tittelboom

  • 1Department of Ophtalmology, University Hospital of Antwerp.

Bulletin De La Societe Belge D'Ophtalmologie
|January 1, 1993
PubMed
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Caterpillar hairs cause severe eye inflammation called caterpillar keratoconjunctivitis. These barbed hairs penetrate ocular tissues, leading to granulomatous reactions and persistent inflammation.

Area of Science:

  • Ophthalmology
  • Toxicology
  • Dermatology

Background:

  • Caterpillar hairs are known to cause ocular irritation and inflammation.
  • Caterpillar keratoconjunctivitis, though described historically, remains an infrequent condition.

Observation:

  • A recent case presented with conjunctival and surrounding skin involvement, manifesting as a significant erythematous rash.
  • The patient's condition involved severe inflammation of the eye and adjacent skin.

Findings:

  • Caterpillar hairs, with their barbed structure, easily penetrate ocular tissues, proving difficult to extract.
  • The presence of these foreign bodies triggers recurrent inflammatory responses, often progressing to granulomatous disease.
  • This granulomatous reaction to caterpillar hairs in corneal tissue is termed keratitis nodosum.

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Implications:

  • Understanding the mechanism of ocular injury from caterpillar hairs is crucial for prompt diagnosis and management.
  • The persistent inflammatory nature of this condition necessitates awareness among ophthalmologists and dermatologists.
  • Keratitis nodosum highlights the potential for severe, long-term consequences from environmental exposures.