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Marginal keratitis

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

This is an ocular hypersensitivity reaction to conjunctival infection with bacteria, especially Staphylococcus aureus.

It presents with:

  • conjunctivitis - which may be mild
  • photophobia
  • pain
  • limbal congestion

The limbus may be outlined by elongated ulcers and corneal infiltrates. Characteristically, the ulcers do not spread centrally.

Provided that a dendritic ulcer is excluded, marginal keratitis may be treated with topical antibiotics and steroids.

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