We are going to the Pople's Prk.
我们要去人民公园。
Nowadays, it is more commonly used than PRK.
如今，它是不是更常用手术。
At 100 days after PRK, the epithelium was clear and brighter.
术后100天，角膜上皮细胞基本恢复正常。
Results The astigmatism after both PRK and LASIK were decreased gradually.
结果PRK与LASIK术后散光度逐渐减小或消失。
PRK has become less common in recent years because more eye surgeons prefer the LASIK procedure.
近几年PRK变得不太普遍了，更多的眼科手术喜欢选用术后好预测的LASIK程序。
Regression equation was used to predict the fluctuating intervals of IOP readings after PRK.
利用回归方程对术后个体眼压测量值的波动范围进行预测。
Results: The corneal topography of most examined eyes(72. 3%) was bow tie pattern before PRK.
结果：术前角膜地形图以蝴蝶结形为多（72.3％）；
We must pay attention to the diagnosis, treatment and prevention of post-PRK muscular asthenopia.
应重视PR K后肌性视疲劳的诊断、治疗和预防。
Corneal sensitivity returned to the baseline levels at 6 months after PRK and 1 month after LASIK.
PR K术后角膜知觉在术后6个月才能恢复，LASIK术后角膜知觉约在术后1个月即恢复。
Objective To compare the effects of removing corneal epithelium with chemistry and mechanics in PRK.
目的比较PRK手术中化学法与机械法去上皮的效果。
The last and oldest option is PRK, which is performed on an outpatient basis with local anaesthesia.
最后和最古老的办法是手术，这是上执行门诊的基础上与局部麻醉。
Objective: To investigate the relationship between the operation of PRK and the tear film stability.
目的：探讨prk手术与泪膜稳定性的关系。
In order to correct hyperopia a variety of surgical techniques can be applied including PRK and LASIK.
为了矫正远视，可以采用各种手术的技术，包括PRK及LASIK。
Nerve regeneration had not completed in the central cornea in high myopia group at 180 days after PRK.
术后第180天，角膜中央区神经再生过程尚未全部完成。
Future trials comparing LASEK versus PRK should follow reporting standards and follow correct analysis.
未来比较LASEK和PRK的试验应该遵循报告标准和正确分析。
We should pay more attention to the diagnosis, treatment and prevention of muscular asthenopia after PRK.
应重视PR K后肌性视疲劳的诊断、治疗和预防。
Objective To find the causes of astigmatism after simple myopic surgery of PRK and LASIK and its variation.
目的探讨prk与lasik治疗单纯性近视术后产生散光的原因及变化规律。
In general, for correcting nearsightedness over 3 diopters, both LASIK and PRK are better than radial keratotomy (RK).
在一般情况下，对于纠正300度以上的近视来说，LASIK和PRK手术两者均优于RK（径向角膜切开术）手术。
In PRK, the top layer of the cornea, called the epithelium, is scraped away to expose the stromal layer underneat.
光性折射角膜切削术使用的方法是削去角膜的顶层，又称上皮层，来显露下面的基质层。
Conclusion Compared with the conventional PRK, PRK by stages is more effective and safe for extremely high myopia.
结论分期prk手术方案治疗超高度近视较常规方案更安全、有效，可作为治疗超高度近视的良好选择。
ObjectiveTo investigate the change in corneal surface shapes and refractive powers after photorefractive keratectomy(PRK).
目的探讨准分子激光屈光性角膜切削术（PRK）后角膜表面形态和屈光力变化。
There is no agreement about whether LASIK is superior to PRK or vice versa for people with mild to moderate nearsightedness.
但是对于轻度至中度近视患者来说，在LASIK手术是否优于PRK手术这一问题上却仍无定论。
It avoids all flap-related complications associated with LASIK, and has less postoperative pain and faster recovery than PRK.
此手术避免了LASIK手术与角膜瓣相关的并发症，同PRK相比，术后回退发生率更低恢复更快。
Conclusions:Iatrogenic keratoconus, high myopia and high astigmatism are the major cause of vision lowering after RK, PRK LASIK.
结论：RK、PRK、LASIK术后视力低下的主要原因是医源性圆锥角膜和高度近视、高度散光。
Conclusions: Topography analysis is necessary for predicting the changes in corneal surface and the effect of therapy after PRK.
结论：角膜地形图定量分析对PR K术后角膜表面的改变、手术设计的改进、手术疗效的预测等是必要的。
It may take three to six months before your vision improves completely. Most people undergoing PRK have both eyes done on the same day.
你的视力完全改善则需要三到六个月，选择prk手术的大多数人同一天做两只眼睛。
LASIK is being done more frequently than PRK, largely because of the good results and the quicker visual recovery that LASIK offers.
LASIK手术要比PRK手术开展得更为频繁，这主要是因为LASIK手术的效果好且术后视力恢复快。
Conclusion:reduction in corneal thickness and corneal refractive power affect reduction in IOP readings markedly after PRK & LASIK.
结论：PRK及LASIK术后眼内压下降值与角膜厚度及角膜屈光力下降值呈线性相关；
Objective: to observe the factors that cause a delay in healing of the corneal epithelium and its effects on haze and vision after PRK.
目的：了解PRK后角膜上皮延迟愈合发生的原因及其对视力、角膜上皮下混浊等的影响。
Uncertainty surrounds differences in efficacy, accuracy, safety, and adverse effects between LASEK and PRK for eyes with low to moderate myopia.
无法确定执行于轻至中度近视眼的LASEK和PRK手术上，在疗效、准确度、安全性和不良结果的差异。
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