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Effect of Base Curve Radius of Therapeutic Lenses on Epithelial Healing after Laser-Assisted Subepithelial Keratectomy

2007; Korean Ophthalmological Society; Volume: 21; Issue: 2 Linguagem: Inglês

10.3341/kjo.2007.21.2.85

2092-9382

Je Hyun Seo, Won Ryang Wee, Jin Hak Lee, Mee Kum Kim,

Ocular Infections and Treatments

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 R2) had 53 eyes, and Group B (R1<R2) had 39 eyes.Group A showed a shorter epithelial healing time than Group B (5.8±1.7 days vs. 6.7±2.1 days, p=0.04). Conclusions:The flat fitting group showed a shorter epithelial healing time than the steep fitting group after LASEK.