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首页> 外文期刊>Journal of refractive surgery >Confocal microscopy of disposable and nondisposable heads for the Moria M2 microkeratome.
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Confocal microscopy of disposable and nondisposable heads for the Moria M2 microkeratome.

机译：Moria M2微型角膜刀的一次性和非一次性头部的共聚焦显微镜。

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PURPOSE: To study the quality of the flap obtained with two different heads, disposable and nondisposable, and two different speeds, low and high, using the same Moria M2 microkeratome (Moria, Antony, France). METHODS: In a prospective randomized study, 51 consecutive eyes (28 patients) underwent myopic LASIK (-4.39 +/- 2.15 diopters). The eyes were randomly assigned to four groups related to cutting head model (disposable and nondisposable) and cut speed (low and high). In all cases, the intended cut was 160 microm and the same M2 unit was used. During surgery, superficial measurements of the flap and the surgeon's opinion about the quality of the cut were recorded. One month after LASIK, the cut depth, interface particle density, and transparency of the cornea (confocal wound healing opacity index) were measured with a confocal microscope. RESULTS: Flaps performed with a disposable cutting head and high speed were statistically significantly larger than the flaps created in the other groups (Kruskal-Wallis test; P = .041). No statistical differences were noted in cut depth, number of particles, and wound healing opacity index. The surgeon's opinion parameters were similar in all groups. CONCLUSIONS: The Moria M2 microkeratome is safe and provided reproducible results, regardless of cutting head and speed. Disposable and nondisposable head models were similar in their outcome in the quality control model used in this study.
机译：目的：研究使用相同的Moria M2微型角膜刀（Moria，Antony，法国），用两个不同的头（一次性和非一次性）以及两种不同的速度（低速和高速）获得的皮瓣质量。方法：在一项前瞻性随机研究中，对51眼（28例）进行了近视LASIK（-4.39 +/- 2.15屈光度）。将眼睛随机分为与切割头模型（一次性和非一次性）和切割速度（低和高）有关的四组。在所有情况下，预期切割均为160微米，并且使用相同的M2单元。在手术期间，记录皮瓣的表面测量值和外科医生对切口质量的看法。 LASIK手术后一个月，用共聚焦显微镜测量切口深度，界面颗粒密度和角膜透明度（共焦伤口愈合不透明度指数）。结果：用一次性切割头和高速进行的皮瓣统计学上显着大于其他组中产生的皮瓣（Kruskal-Wallis检验; P = .041）。在切入深度，颗粒数量和伤口愈合不透明度指数上没有统计学差异。在所有组中，外科医生的意见参数均相似。结论：Moria M2微型角膜刀是安全的，可提供可重复的结果，而不论切割头和速度如何。在这项研究中使用的质量控制模型中，一次性和非一次性头部模型的结果相似。

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