准分子激光角膜切削术后上皮下浑浊的影响因素

The factor of influence haze after photorefractive kratectomy

目的探讨准分子激光角膜切削术（PRK）后发生上皮下浑浊（haze）的影响因素。方法216跟随机分两组，分别于术后使用拂炎和艾氟龙滴眼。术后1年按不同因素将haze进行统计学分析。结果两组间haze发生率比较P为0．028。术前不同屈光度（≤－6D与＞－6D）比较P为0．624。上皮刮除时间（＜30秒与＞1分钟）比较P为0.519。不同年龄组（≤25岁与≥35岁）比较P为0．366。结论PBK术后haze的发生率与使用不同强度皮质类固醇滴眼剂有关，与上皮刮除时间、术前屈光度和患者年龄无关。

Objective To investigate the relational factor on haze after Photore fractive keratectomy (PRK). Methods All cases were performed the same examinations.The time of removed epithelium of every patient was recorded.After operation the patients were divided into two groups,one group was droped Flarex,another FML. The iocidence of haze one year after surgery were took statistical analysis (t test). Results The rate of haze in about different groups were compared (P = 0.028) .the rate of haze of with corrections of ≤- 6D and > - 6D were compared(P = 0.624).Haze of the the time removed epithlium less than 30 seconds with more than one miunte were comopared(P = 0.519) .Haze of the different ages (≤25 years and ≥35 years) were compared (P = 0.366). Con clusions The rate of haze after PRK were relating to using steroid of the different intensity, were not relaing to the different time removed epitheli um, dipters attended correction and ages of the patient.