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首页> 外文期刊>Journal of refractive surgery >Laser in situ keratomileusis for the correction of hyperopia from +1.25 to +5.00 diopters with the Technolas Keracor 117C laser.
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Laser in situ keratomileusis for the correction of hyperopia from +1.25 to +5.00 diopters with the Technolas Keracor 117C laser.

机译：使用Technolas Keracor 117C激光原位角膜磨镶术矫正远视，从+1.25屈光度至+5.00屈光度。

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PURPOSE: To assess the efficacy, predictability, stability, and safety of laser in situ keratomileusis (LASIK) in patients with hyperopia and to evaluate the visual and refractive results of the procedure. METHODS: LASIK was performed on 85 eyes of 53 patients for correction of hyperopia, with a preoperative mean manifest spherical equivalent refraction of +3.31 +/- 0.69 D (range, +1.25 to +5.00 D) and mean refractive astigmatism of +0.91 +/- 1.06 D (range, 0 to +3.00 D). The Carriazo-Barraquer (Moria) manual microkeratome was used to create the corneal flap, and laser ablation was performed using the Technolas Keracor 117C excimer laser with an ablation zone diameter of 6.0 mm and a transition zone diameter to 9.0 mm. Follow-up was 12 months for all patients. RESULTS: Refraction was stable by 3 months after surgery. At 1 year after LASIK, the mean manifest spherical equivalent refraction was +0.43 +/- 0.57 D (range, -1.25 to +2.00 D) and refractive astigmatism was reduced to a mean of 0.36 +/- 0.30 D (range, 0 to 1.00 D). Fifty-two eyes (61.2%) had a manifest spherical equivalent refraction within +/- 0.50 D of emmetropia, and 76 eyes (89.4%) were within +/- 1.00 D. Uncorrected visual acuity was 20/20 in 21 eyes (24.7%) and 20/40 or better in 79 eyes (92.9%). Spectacle-corrected visual acuity was reduced by two lines in one eye (1.2%) and improved by two lines in five eyes (5.9%). There were no significant complications. CONCLUSION: LASIK was an effective, safe, and predictable procedure for the correction of hyperopia up to +5.00 D and hyperopic astigmatism up to +3.00 D with the Technolas Keracor 117C excimer laser. The large size of the corneal flap obtained by the Carriazo-Barraquer (Moria) manual microkeratome facilitated laser ablation entirely in the exposed corneal stromal bed.
机译：目的：评估在远视患者中激光原位角膜磨镶术（LASIK）的疗效，可预测性，稳定性和安全性，并评估该手术的视觉和屈光结果。方法：对53例患者的85只眼睛进行LASIK矫正远视，术前平均球面等效屈光度为+3.31 +/- 0.69 D（范围为+1.25至+5.00 D），平均屈光散光为+0.91 + /-1.06 D（范围从0到+3.00 D）。使用Carriazo-Barraquer（Moria）手动微型角膜刀来制作角膜瓣，并使用Technolas Keracor 117C受激准分子激光器进行激光消融，其消融区直径为6.0 mm，过渡区直径为9.0 mm。所有患者的随访均为12个月。结果：术后3个月屈光稳定。 LASIK手术1年后，平均等效球镜等效屈光度为+0.43 +/- 0.57 D（范围-1.25至+2.00 D），屈光散光降低至0.36 +/- 0.30 D（范围为0至0。 1.00 D）。 52只眼（61.2％）的正视等效屈光度在正视眼的+/- 0.50 D以内，76眼（89.4％）的屈光度在+/- 1.00 D以内。21眼的未矫正视力为20/20（24.7） ％）和20/40或更好的79眼（92.9％）。眼镜矫正的视力在一只眼中减少了两行（1.2％），在五只眼中减少了两行（5.9％）。没有明显的并发症。结论：LASIK是使用Technolas Keracor 117C准分子激光矫正远至+5.00 D的远视和远至+3.00 D的远视散光的有效，安全且可预测的程序。通过Carriazo-Barraquer（Moria）手动微型角膜刀获得的大尺寸角膜瓣可在裸露的角膜基质床上完全促进激光消融。

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