Marginal Keratitis

Staphylococcal Marginal Keratitis 

  • Clinical features:

    • Symptoms: irritation, red eye, photophobia nad foreign body sensation.
    • Signs:
      • Peripheral corneal infiltrates and/or ulceration
      • Usually parallel to limbus, separated by a clear corneal zone
      • Presents with marked conjunctival injection
      • Occurs in middle-aged patients but may occur at any age
      • Commonly associated with staphylococcal blepharoconjunctivitis, rosacea or phlyctenulosis
  • Treatment:

    • Directed at eliminating the bacterial colonization from the external ocular surface:
      • Lid hygiene
      • Antibiotic drops or ointment
    • Topical steroids are sometimes required to treat acute infection and inflammation.