准的

Objective To study the correlation between the corneal ablation depth and the results of photorefractive keratectomy for myopia.

目的 探讨角膜切削术深度与准分子激光治疗近视疗效的关系。

Objective To evaluate the therapeutic effects of 193-nm excimer laser photorefractive keratectomy for the correction of high myopia.

目的 探讨准分子激光角膜切削术治疗高度近视的疗效。

The photorefractive keratectomy is a safe, effective and predictable method for treatment of myopia.

准分子激光PRK是一种安全、有效、预测性较好的治疗近视眼方法。

Objective To investigate the effect of laser-assisted subepithelial keratectomy for the correction of high myopia.

目的 评价准分子激光上皮瓣下角膜磨镶术矫治高度近视的疗效。

To investigate the change of corneal thickness after photorefractive keratectomy and the relationship between the corneal thickness and Haze.

目的：探讨准分子激光角膜切削术后角膜厚度变化，及角膜厚度变化与角膜雾状混浊的关系。

Objective To observe the clinical curative effect of phototherapeutic keratectomy for superficial fungal corneal ulcer.

目的 观察使用准分子激光光学治疗性角膜切削术治疗浅层真菌性角膜溃疡的临床效果。

Objective:To investigate the best indications,treatment parameters for phototherapeutic keratectomy, and to assess its efficacy.

目的：探讨准分子激光治疗性角膜切削术(phototherapeutic keratectomy，PTK)的最佳适应证、治疗参数及评价其有效性。

Objective: To evaluate the long term outcome of photorefractive keratectomy for myopia with different diopters.

目的 ：评价准分子激光屈光性角膜切削术治疗不同程度近视眼的远期疗效。

Objective: To investigate the feasibility of lamellar keratoplasty combined with photorefractive keratectomy and phototherapeutic keratectomyand provide theoretical basis for clinical study.

目的：探索准分子激光角膜屈光手术联合板层角膜移植术的可行性，为临床研究提供理论依据。

To investigate the morphological change of corneal tissue repairing after photorefractive keratectomy.

目的 动态观察准分子激光屈光性角膜切削术后角膜修复过程中的组织形态改变。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。