Abstract
Background: To evaluate epithelial debridement for the treatment of persistent hyperopia in eyes that had photorefractive keratectomy (PRK).Setting: Optimax Laser Eye Clinics, Manchester, London, Bristol, England.Methods: Epithelial debridement was performed on 46 eyes to reduce the hypermetropia following excimer laser PRK.Results: Mean age of the patients was 43 years ± 9.7 (SD). Mean refractive change was −0.51 diopter (D) ± 0.76 (range +0.75 to −2.50 D). Mean change in best corrected visual acuity (BCVA) was 0.00 Logmar units (range +0.40 to −0.20 units), although 33% of eyes lost one line or more of Logmar BCVA. Mean follow-up after debridement was 61.0 ± 26.9 weeks (range 26 to 140 weeks).Conclusions: Epithelial debridement is an unpredictable procedure to treat secondary hyperopia after PRK, producing a small mean change in spherical equivalent with a wide range of results. A significant number of eyes lost one line or more of Logmar BCVA. We therefore do not advocate epithelial debridement after PRK.
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