Comparison of Postoperative Pain Following Laser-assisted Subepithelial Keratectomy and Transepithelial Photorefractive Keratectomy：a Prospective，Random Paired Bilateral Eye Study

Dongmei Wang， Guangsheng Chen， Liusong Tang， Qiaoling Li

Liuzhou Red Cross Hospital， Eye Hospital of Liuzhou City， Liuzhou 545000， China

Introduction

Materials and methods

Study subjects

Surgical approach

Postoperative processing

Statistical analysis

Table 1 Comparison of multiple preoperative parameters between two groups （60 eyes）

Results

Comparison of preoperative general data between two groups

Comparison and changing tendency of pain intensity at postoperative 3 d between two groups

Table 2 Comparison of pain intensity at postoperative 3 d between two groups （60 eyes， ±s）

Table 2 Comparison of pain intensity at postoperative 3 d between two groups （60 eyes， ±s）

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Corneal haze between two groups

Figure 1 Changes in the curve of pain intensity at postoperative 3 d between two groups

Table 3 Comparison of visual acuity at postoperative 1 and 3 months between two groups （60 eyes）

Discussion