Characteristics of Patients Requiring Multiple Photorefractive Keratectomy (PRK) Procedures: A Retrospective Cohort Analysis
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By
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Ulfat Anjum
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Hesam Hashemian
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Masoud Khorrami-Nejad
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Reza Yousefi
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October 27, 2025
Clinical Scorecard: Characteristics of Patients Requiring Multiple Photorefractive Keratectomy (PRK) Procedures: A Retrospective Cohort Analysis
At a Glance
| Category | Detail |
|---|
| Condition | |
| Key Mechanisms | |
| Target Population | Patients aged 18 to 60 years undergoing PRK, excluding those with prior refractive surgeries. |
| Care Setting | |
Key Highlights
- PRK is effective for thin corneas and surface irregularities.
- Repeat PRK procedures are needed in approximately 10-20% of patients, with a more precise estimate of 10-15% preferred.
- Higher preoperative astigmatism and myopia are risk factors for retreatment.
Guideline-Based Recommendations
Diagnosis
Management
Monitoring & Follow-up
- Follow-up within 12 to 24 months post-PRK for potential enhancement, with specific criteria for retreatment.
Risks
Patient & Prescribing Data
PRK remains a viable option despite advancements in other refractive surgeries; educate patients on potential complications.
Clinical Best Practices
- Utilize accurate corneal analyzers like Pentacam HR for preoperative assessment and patient selection.
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