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首页> 外文期刊>BMC Ophthalmology >A pilot study: LASEK with the Triple-A profile of a MEL 90 for mild and moderate myopia
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A pilot study: LASEK with the Triple-A profile of a MEL 90 for mild and moderate myopia

机译：一项初步研究：LASEK具有MEL 90的Triple-A轮廓，可用于轻度和中度近视

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Background To investigate the visual and refractive outcomes in patients with mild to moderate myopia after laser-assisted subepithelial keratectomy (LASEK) using the 500?Hz pulse rate of the Triple-A profile. Methods Thirty-six eyes of 20 patients (mean age, 27.5?±?4.6?years) were included in this prospective, consecutive study. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), corneal topography, and corneal aberrations were measured preoperatively and 1?day, 1?week, 1, 3 and 6?months post-operation. Results At 1?week after surgery, UDVA was better than or equal to 20/25 in all eyes. At postoperative 6?months, the efficacy and safety index was 1.05?±?0.13 and 1.12?±?0.15, respectively; all eyes had a UDVA of 20/20 or better, and no eyes showed a loss in CDVA; 100% of the eyes were within ±1.00?D of the attempted spherical equivalent (SE) correction. Conclusion The postoperative results indicate that using the Triple-A ablation profile of the MEL 90 excimer laser with a 500?Hz pulse rate is a safe, efficient, and predictable method to correct mild to moderate myopia.
机译：背景研究使用Triple-A模式的500？Hz脉冲频率研究激光辅助上皮下角膜切除术（LASEK）后轻至中度近视患者的视觉和屈光结局。方法这项前瞻性连续研究纳入了20例患者的36眼（平均年龄27.5±4.6年）。术前和术后1天，1周，1周，1、3和6个月分别测量未矫正的远视力（UDVA），矫正的远视力（CDVA），角膜地形图和角膜像差。结果术后1周，所有眼睛的UDVA均优于或等于20/25。术后6个月，疗效和安全性指标分别为1.05±0.13和1.12±0.15。所有眼睛的UDVA为20/20或更高，并且没有眼睛显示CDVA减少。 100％的眼睛在尝试进行的球当量（SE）校正的±1.00？D以内。结论术后结果表明，使用MEL 90准分子激光的Triple-A消融轮廓，脉搏频率为500？Hz是纠正轻度至中度近视的安全，有效和可预测的方法。

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