For moderate and higher astigmatism, PRK provides better accuracy and predication.

:PRK治疗较高度数散光的疗效确切, 预测性强.

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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.

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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.

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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.

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It is safe to introduce PMMA disk united with bevelled mirror to co rrect hyperopia.

结论:使用可蚀盘联合三棱镜矫治远视是安全的,prk与LASIK两者 方法均可获得满意的远期疗效.

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There is no significant difference in the BA and stereopsis after operation while BDD within 2.50～8.00 D.

屈光度差在2.50～8.00D范围时,MA患者PRK/LASIK术后的BA和立体视状况无明显差异.

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