ISSN 2398-2977      

Cornea: superficial keratectomy

pequis
Contributor(s):

Graham Munroe

Joe Wolfer

Synonym(s): Lamellar keratectomy


Introduction

  • Surgical removal of the superficial layers (epithelium and anterior stroma) of the cornea.

Uses

  • Removal of dermoids from cornea and limbus   Eye: dermoid excision  .
  • Removal of squamous cell carcinoma from cornea and limbus   Eye: squamous cell carcinoma  , although adjunctive treatment such as CO2 laser or radiation is almost always employed.
  • Removal of areas of damaged or infected cornea, eg fungal keratitis   Keratitis: mycotic  , corneal stromal abscess .
  • Obtain corneal biopsies .
  • Formation of autogenous corneal grafts.

Advantages

  • Minimal specialist equipment required - requires a surgical microscope.
  • Adaptable to a number of uses.

Disadvantages

  • Requires general anesthesia   Anesthesia: general - overview  in the horse, greatly aided by use of neuroparalytic and assisted ventilation.
  • Potential for corneal perforation.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Prognosis

  • Depends on primary reason for keratectomy.

Further Reading

Publications

Refereed papers

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