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Phototherapeutic keratectomy.

Varsha M Rathi1, Sharadini P Vyas, Virender S Sangwan

  • 1Cornea, Anterior Segment and Refractive Surgery Services, L V Prasad Eye Institute, Hyderabad, AP, India. varsharathi@lvpei.org

Indian Journal of Ophthalmology
|January 6, 2012
PubMed
Summary
This summary is machine-generated.

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Phototherapeutic keratectomy (PTK) offers therapeutic solutions for various anterior corneal conditions like dystrophies and scars. This review details PTK techniques, combined procedures, and post-operative management for optimal patient outcomes.

Area of Science:

  • Ophthalmology
  • Corneal Surgery
  • Ocular Surface Disease

Background:

  • Phototherapeutic keratectomy (PTK) is a common excimer laser procedure.
  • It addresses a range of anterior corneal pathologies, including dystrophies, degenerations, scars, and band-shaped keratopathy.
  • Indications are broadly categorized as therapeutic and visual.

Purpose of the Study:

  • To comprehensively review the therapeutic indications for PTK.
  • To discuss specific surgical techniques tailored to distinct corneal etiologies.
  • To explore adjunctive procedures and management of PTK for coexisting conditions.

Main Methods:

  • Literature search using Medline database.
  • Keywords included "phototherapeutic keratectomy," "band-shaped keratopathy," "spheroidal degeneration," "scars," "bullous keratopathy," and "corneal dystrophy."

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  • Focus on English-language articles relevant to therapeutic PTK.

    • Main Results:

    • PTK is effective for diverse anterior corneal diseases.
    • Techniques vary based on specific corneal conditions.
    • Combined procedures (e.g., amniotic membrane graft) and management of recurrences are discussed.
    • PTK can be performed before cataract surgery in cases of coexisting pathology.

    Conclusions:

    • PTK is a versatile therapeutic option for anterior corneal diseases.
    • Careful technique selection and post-operative management are crucial for success.
    • Management of epithelial healing, steroid use, recurrences, and infections are key considerations.