Equis ISSN 2398-2977

Eyelid: ankyloblepharon

Contributor(s): Keith Barnett, Paul E Miller, Graham Munroe

Introduction

  • A congenital defect of the eye where the eyelids fail to separate at birth.
  • Incidence: very rare, but may indicate premature birth   Reproduction: prematurity / dysmaturity  .
  • Signs: rest of eye usually normal.
  • Treatment: easily separated by manual traction on eyelids.
  • Prognosis: good.

Pathogenesis

Predisposing factors

General

Pathophysiology

  • Normal embryogenesis of equine eye results in a fully developed globe and adnexa, with the eyelids separated at birth.
  • The epithelial connection between the lids breaks down normally in late pregnancy.
  • Ankyloblepharon is a persistent fusion of eyelids, but the nasal canthus is always open in the foal.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers


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