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Related Experiment Videos

Management options for the flat corneal graft.

R Lagnado1, M P Rubinstein, S Maharajan

  • 1Department of Ophthalmology, University Hospital, Nottingham NG7 2UH, UK.

Contact Lens & Anterior Eye : the Journal of the British Contact Lens Association
|November 24, 2005
PubMed
Summary

Post-penetrating keratoplasty (PK) can lead to unpredictable corneal shapes. Reverse geometry (RG) contact lenses are crucial for managing flat corneas after PK when sutures don't restore adequate corneal curvature for vision.

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Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Optometry

Background:

  • Penetrating keratoplasty (PK) can result in irregular corneal topography.
  • Achieving satisfactory visual rehabilitation post-PK can be challenging due to altered corneal profiles.
  • Flat corneal topography is a common complication affecting contact lens fitting.

Purpose of the Study:

  • To present a case series of patients with post-keratoplasty flat corneal topography.
  • To describe the management strategies for visual rehabilitation in these patients.
  • To evaluate the role of reverse geometry (RG) contact lenses.

Main Methods:

  • A case series of 11 patients who underwent penetrating keratoplasty (PK) was reviewed.
  • Patients presented with flat corneal topography.

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  • Management strategies, including suture removal and contact lens fitting, were analyzed.

    • Main Results:

    • Suture removal alone may not sufficiently restore corneal convexity.
    • Flat corneal topography poses challenges for standard contact lens fitting.
    • Reverse geometry (RG) lenses demonstrated a significant role in managing these cases.

    Conclusions:

    • Managing post-PK flat corneal topography requires specialized approaches.
    • Reverse geometry (RG) contact lenses are effective for visual rehabilitation in patients with post-keratoplasty ectasia.
    • Optimizing contact lens fitting is essential for successful visual outcomes after PK.