Conclusion PTK combined with PRK is a safe and effective treatment for myopia with corneal scars.

Was treated with PRK directly and recovered well;

1眼直接改做PRK恢复良好；

Conclusion PRK for ametropia after vitrectomy is an effective and safe surgery.

结论PRK是治疗视网膜复位术后屈光不正安全、有效的方法；

Suggestion on sight standard of recruit after PRK or LASIK operation

PRK、LASIK术后新兵入伍视力标准的探讨

Successfully, ASEAN has isolated Vietnam and PRK politically and economically.

东盟成功的在政治上和经济上孤立了越南与柬埔寨人民共和国。

PRK is more simple, with lower risk;

PRK相对简单，风险较小；

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。

The delay in healing of the corneal epithelium and its effects on vision after PRK

近视眼PRK后角膜上皮延迟愈合及其对视力的影响

Years analysis of intraocular pressure following PRK

PRK术后2年眼压临床分析

A histopathologic study on wound healing in rabbit cornea after LASEK and PRK

LASEK与PRK术后兔角膜组织病理学观察

Correlation of corneal ablation depth and results of PRK for myopia

角膜切削深度与PRK治疗近视疗效的关系

A Study of revised value of IOP readings after PRK& LASIK

PRK及LASIK眼压读数修正值的研究

Expression of type ⅰ and type ⅲ collagen mRNA in anterior stroma after PRK

PRK术后角膜基质内Ⅰ型和Ⅲ型胶原的mRNA表达

The visual acuity, refraction, intraocular pressure and haze were analyzed in three months after PRK.

方法分析分别使用地塞米松、爱氟龙和拂炎的3组PRK术后病人，在术后3月内视力、屈光度、眼压及角膜混浊情况并进行统计学处理。

Diclofenac of 0.1% could alleviate the pain after PRK without obvious side effects.

0.1%双氯芬酸钠眼液能减轻PRK术后的疼痛且无明显毒副作用。

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。

Epithelial Hyperplasia of Rabbit after Experimental PRK

兔实验性PRK术后角膜上皮的过度增生

All eyes with PRK were divided into three groups: Group ⅰ <-3.00D;

PRK组根据屈光状态分为3组：组<-3.00D；

Clinical application of in vivo confocal microscopy through focusing in LASEK and PRK

LASEK与PRK术后角膜组织结构的活体激光共聚焦显微镜观察

Comparison Analysis on PRK and LASIK in Correction of Mild and Moderate Myopia a Year after Operation

PRK、LASIK治疗中低度近视术后一年的对比分析

Prosthetic heart valve have become increasingly used in the treatment of cardiovalvular disease since their introduction in the early 1960s. These artificial heart valve may be either the mechanical heart valve or the bioprosthetic heart valve ( BHV).

自19世纪60年代以来人工心脏瓣膜被越来越多地用于治疗心脏瓣膜疾病。人工心脏瓣膜包括人工机械瓣膜和人工生物瓣膜（简称生物瓣膜或生物瓣）。