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[Photorefractive keratectomy in hypermetropia]

A B Sener1, C A Yanyali, A Ozdamar

  • 1Centre de Recherche Ophtalmologique, Université d'Istanbul, Turquie.

Journal Francais D'Ophtalmologie
|December 3, 1998
PubMed
Summary

Photorefractive keratectomy is an effective and predictable treatment for hyperopia (farsightedness) up to +4.00 D. This laser eye surgery offers a safe option for vision correction in suitable patients.

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Area of Science:

  • Ophthalmology
  • Refractive Surgery
  • Excimer Laser Technology

Context:

  • Hyperopia, or farsightedness, affects visual acuity.
  • Photorefractive keratectomy (PRK) is a laser eye surgery procedure.
  • Assessing PRK's efficacy in hyperopic correction is crucial for patient outcomes.

Purpose:

  • To evaluate the predictability and efficiency of photorefractive keratectomy for correcting hyperopia.
  • To determine the safety and outcomes of PRK in different degrees of hyperopia.

Summary:

  • This study included 38 eyes of 21 patients undergoing photorefractive keratectomy (PRK) using a 193 nm argon-fluoride excimer laser.
  • Patients were categorized into three groups based on hyperopia severity: >+7.25 D, +4.25 to +7.00 D, and ≤+4.00 D.

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  • After a 12-month follow-up, mean postoperative refractions were +5.05 D, +4.71 D, and +1.65 D for the respective groups, indicating better outcomes in lower hyperopia.

    • Impact:

    • Photorefractive keratectomy demonstrates efficiency and predictability for hyperopia correction, particularly for levels below +4.00 D.
    • The findings suggest PRK is a safe and viable option for treating mild to moderate hyperopia.
    • This research contributes to understanding the limitations and successes of PRK in refractive surgery.