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KMID : 0213520070210020085
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Korean Journal of Ophthalmology
2007 Volume.21 No. 2 p.85 ~ p.89
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Effect of Base Curve Radius of Therapeutic Lenses on Epithelial Healing after Laser-Assisted Subepithelial Keratectomy
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Seo Je-Hyun
Wee Won-Ryang
Lee Jin-Hak
Kim Mee-Kum
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Abstract
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Purpose: To determine the effect of the base curve radius (BCR) of therapeutic soft contact lens (T-lens) on epithelial healing after laser-assisted subepithelial keratectomy (LASEK).
Methods: Ninety-two eyes in 47 patients with myopia were prospectively evaluated after LASEK. All the patients wore T-lenses with the BCR (R1) randomly chosen after LASEK. The T-lenses were removed after complete healing of the epithelial wounds. We calculated an estimated BCR (R2) from postoperative topography using a diopter conversion table. The patients were divided into two groups according to the differences between the BCR (R1) and the estimated BCR (R2). The flat fitting group was R1 > R2 (Group A), and the steep fitting group was R1
Results: Group A (R1>R2) had 53 eyes, and Group B (R1
Conclusion: The flat fitting group showed a shorter epithelial healing time than the steep fitting group after LASEK.
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KEYWORD
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Base curve radius (BCR), LASEK, Therapeutic contact lens
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