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Clinical features

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Clinical features of a corneal ulcer (corneal infiltrate with an overlying epithelial defect) include:

  • more discomfort than conjunctivitis
  • red eye
  • may be slight blurring of vision
  • photophobia
  • the ulcers may be difficult to see
  • keratitis may be identified by a white/grey patch on the cornea - this represents a collection of white blood cells in the corneal tissue
  • the use of fluorescein drops aid in diagnosis - lesions of the cornea stain green (fluorescein drops are orange and become more yellow after contact with the eye)


  • hypopyon is a leukocytic exudate, seen in the anterior chamber of the eye

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