Equis ISSN 2398-2977

Exposure keratopathy

Pathogenesis

• Abnormal production increased evaporation or distribution of the pre-ocular tear film.
• Seen in a number of ocular diseases:
  • Keratoconjunctivitis sicca .
  • Facial nerve paralysis . Inability to blink causes exposure to corneal epithelium due to increased evaporation of tear film.
  • Prolonged general anesthesia   Anesthesia: general - overview  . Tear film dries out and blinking does not occur   →   ulceration.
  • Exophthalmos   Eye: exophthalmos  .
  • Chronic conjunctivitis   Conjunctivitis: overview  .
  • Eyelid neoplasia or trauma   Eyelid: trauma  .
  • Ectropion   Eyelid: ectropion  .
  • Premature birth   Reproduction: prematurity / dysmaturity  .

Clinical Signs

Diagnosis

Treatment

Prognosis

Prevention