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Excimer laser phototherapeutic keratectomy
1Jefferson Medical College of Thomas Jefferson University, Refractive Surgery Department, Cornea Service, Wills Eye Hospital, Philadelphia, PA 19107, USA. cjrapuano@hslc.org
Current Opinion in Ophthalmology
|August 17, 2001
Summary
Excimer laser phototherapeutic keratectomy (PTK) effectively treats superficial corneal issues. Emerging techniques may expand its use for deeper pathologies and irregular astigmatism, enhancing treatment options.
Area of Science:
- Ophthalmology
- Corneal Surgery
- Laser Vision Correction
Background:
- Excimer laser phototherapeutic keratectomy (PTK) is a standard treatment for superficial corneal diseases.
- Current PTK techniques are highly effective for anterior corneal dystrophies and degenerations.
- The scope of PTK applications is expanding beyond traditional indications.
Purpose of the Study:
- To review the current applications of excimer laser PTK in managing corneal pathology.
- To explore the potential of PTK in treating deeper corneal conditions.
- To discuss advancements in PTK techniques for challenging cases like irregular astigmatism.
Main Methods:
- Review of existing literature on excimer laser PTK.
- Analysis of current and emerging PTK techniques.
- Discussion of expanded indications and patient populations.
Main Results:
- PTK is well-established for superficial corneal conditions.
- Evidence suggests PTK may benefit selected patients with deeper corneal pathology.
- Newer approaches like selective zonal ablation and BioMask show promise for irregular astigmatism.
Conclusions:
- Excimer laser PTK remains a valuable treatment for superficial corneal pathology.
- Advancements in PTK techniques are broadening its therapeutic potential.
- PTK is increasingly considered for complex corneal conditions and pediatric patients.