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首页> 外文期刊>Journal of refractive surgery >LASIK flap characteristics using the Moria M2 microkeratome with the 90-microm single use head.
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LASIK flap characteristics using the Moria M2 microkeratome with the 90-microm single use head.

机译：使用Moria M2微型角膜刀和90微米单次使用头的LASIK皮瓣特征。

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摘要

PURPOSE: To evaluate the accuracy and consistency of corneal flap thickness, horizontal diameter, and hinge size with the Moria M2 90-microm single use head. METHODS: Fifty-two myopic patients (104 eyes), mean age 32.6 years, underwent bilateral LASIK with a superior hinged flap using the Moria M2 microkeratome (90-microm single use head). Prospective evaluation included flap thickness (subtraction method), diameter, hinge size, interface particles, intraoperative complications, and visual recovery. RESULTS: The mean preoperative spherical equivalent refraction was -5.72 +/- 2.59 diopters (D) (range: -2.88 to -10.75 D) and -5.84 +/- 2.73 D (range: -3.13 to -9.38 D) for right and left eyes, respectively. The mean preoperative central corneal thickness was 548 +/- 24 microm and 547 +/- 25 microm for right and left eyes, respectively. The mean preoperative steepest K was 44.12 +/- 1.28 D and 44.41 +/- 1.27 D for right and left eyes, respectively. Corneal diameter (white-to-white) was 12 +/- 0.4 mm and 11.9 +/- 0.4 mm for right and left eyes, respectively. The mean postoperative flap thickness was 109 +/- 18 microm (range: 67 to 152 microm) and 103 +/- 15 microm (range: 65 to 151 microm) for right and left eyes, respectively. The mean postoperative flap diameter was 9.4 +/- 0.3 mm (expected mean according to the nomogram given by the company was 9.5 mm). The mean postoperative hinge chord was 4.4 +/- 0.4 mm (expected mean 4.2 mm). No interface particles were detected on slit-lamp examination. CONCLUSIONS: The Moria M2 90-microm single use head is safe with reasonable predictability for LASIK flap creation.
机译：目的：使用Moria M2 90微米一次性使用头评估角膜瓣厚度，水平直径和铰链大小的准确性和一致性。方法：52名近视患者（104只眼），平均年龄32.6岁，使用Moria M2微型角膜刀（90微米一次性使用头）行双侧LASIK手术，并伴有上皮瓣。前瞻性评估包括皮瓣厚度（减法），直径，铰链大小，界面颗粒，术中并发症和视觉恢复。结果：术前和术后平均屈光度为-5.72 +/- 2.59屈光度（D）（范围：-2.88至-10.75 D）和-5.84 +/- 2.73 D（范围：-3.13至-9.38 D）分别是左眼。左眼和右眼的平均术前中央角膜厚度分别为548 +/- 24微米和547 +/- 25微米。术前右眼和左眼的平均最速K分别为44.12 +/- 1.28 D和44.41 +/- 1.27D。右眼和左眼的角膜直径（白色至白色）分别为12 +/- 0.4 mm和11.9 +/- 0.4 mm。右眼和左眼的平均术后皮瓣厚度分别为109 +/- 18微米（范围：67至152微米）和103 +/- 15微米（范围：65至151微米）。术后平均皮瓣直径为9.4 +/- 0.3 mm（根据公司给出的诺模图，预期平均值为9.5 mm）。术后平均铰链弦长为4.4 +/- 0.4毫米（预期平均为4.2毫米）。在裂隙灯检查中未检测到界面颗粒。结论：Moria M2 90微米一次性使用头安全，可合理地预测LASIK皮瓣的形成。

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