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Related Experiment Videos

Ring keratitis from topical anaesthetic misuse.

S K Webber1, G L Sutton, M A Lawless

  • 1Sydney Refractive Surgery Centre, Chatswood, New South Wales, Australia.

Australian and New Zealand Journal of Ophthalmology
|January 21, 2000
PubMed
Summary
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Topical anesthetic abuse can cause ring keratitis, but prompt treatment leads to excellent recovery. Early intervention is key for managing this condition and preventing vision loss.

Area of Science:

  • Ophthalmology
  • Corneal Diseases
  • Toxicology

Background:

  • Topical anesthetic abuse is a recognized cause of ring keratitis.
  • This condition is associated with a poor prognosis, potentially leading to blindness or the need for corneal transplantation.

Observation:

  • A case of topical anesthetic abuse and its management is presented.
  • Ocular examination included pachymetry and specular microscopy.

Findings:

  • The patient achieved excellent visual acuity (6/6) after treatment.
  • Corneal thickening was noted on pachymetry.
  • Specular microscopy revealed a reduced endothelial cell count.

Implications:

  • Prompt recognition and appropriate management can lead to excellent outcomes in topical anesthetic abuse cases.

Related Experiment Videos

  • Permanent damage to the corneal endothelium may still occur despite successful treatment.