Canis ISSN: 2398-2942

Cornea: superficial keratectomy

Synonym(s): Superficial keratectomy

Contributor(s): Paul Gerding, Natasha Mitchell

Introduction

  • Surgical excision of the corneal epithelium and variable depth of anterior stroma to remove a lesion or improve vision.
  • The aim is to resect diseased tissue to speed healing, reduce scarring and imporve vision.

Uses

Disadvantages

  • General anesthesia General anesthesia: overview is required.
  • If underlying problem is not identified and treated, keractectomy site may cause a deeper non-healing ulcer.

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 etiology.
  • Superficial keratectomy done alone may not be sufficient to permanently remove corneal pigment. Additonal procedures such as medial or lateral canthoplasty and removal of facial folds may be required, along with on-going medical therapy.

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Crispin S & Barnett K (1983) Dystrophy, degeneration and infiltration of the canine cornea. JSAP 24 (2), 63-83 VetMedResource.
  • Peiffer R L Jr., Gelatt K N, Gwin R M (1976) Superficial keratectomy in the management of indolent ulcers of the boxer cornea. Canine Pract (4), 31-33 VetMedResource.

Other sources of information

  • Gelatt & Gelatt (2011)Veterinary Ophthalmic Surgery.pp 196-198.


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