prk一般是指激光屈光性角膜切削术。
激光屈光性角膜切削术是利用氟化氩气产生的193mm波长准分子激光，去除少量角膜组织，改变角膜前表面曲率，从而减少或消除屈光不正。有摘除眼镜的要求，一般年龄满18周岁，50周岁以下。这种情况下近视度数已经稳定，基本不再发展，角膜厚度适宜。矫正近视、远视和散光的屈光度最好均不超过－6.00D。建议病人在医生的指导下，合理进行手术。
日常生活中注意用眼卫生，避免长时间近距离用眼，同时加强户外活动，解除眼睛疲劳，定期进纤指行视力检查。如果出现不适，建议及时就诊。
双语例句：
1、Diclofenac of 0.1% could alleviate the pain after PRK without obvious side effects.
双氯芬拆拿酸钠眼液能减轻PRK术后的疼痛且无明显毒副作用。
2、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。
3、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％）。
4、So mny people go to the prk to enjoy their weekends.
所以很多人都喜欢到那里去度周末。
5、PRK was the first surgical procedure developed to reshape the cornea, by sculpting, using a laser.
光性折射角膜切削术使用激光塑形,它是最早的重塑角膜的外科手术。
6、Customization of excimer laser refractive surgery is a new one based on PRK, LASIK and LASEK.
角膜的个体化切削是在PRK 、 LASIK、LASEK的基础上发展起来的一种新的屈光手术技术。
7、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，这是上执行旅竖搭门诊的基础上与局部麻醉。
8、Objective: To investigate the cause, pathogenesis, prophylaxis and therapy for corneal fungal ulcers following excimer laser photorefrative keratectomy (PRK).
目的：探讨准分子激光角膜切削术后真菌性角膜溃疡的原因、机制及防治策略。
9、Results:Topical Acular eyedrops can reduce the pain after PRK significantly without apparent detrimental effect to the corneal epithelial wound healing.
结果：安贺拉眼液可以有效地减轻PRK术后的疼痛，对角膜上皮的愈合没有明显的影响。
10、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。
标签：prk
