Methods : we examined 102 patients who underwent photorefractive keratectomy and received topical steroids ( either fluorometholone 0 . 1 % or prednisolone acetate 0 . 5 % alone or combined ) as part of postoperative therapy 方法：我们检查了103名已行屈光性角膜切除术并以局部类固醇( 0 . 1丙酮缩氟氢羟龙或0 . 5泼尼松龙或二者兼有)作为部分术后治疗的病人。
2.
We separately analyzed data from three groups of patients : those who received fluorometholone only ; those who were initially given fluorometholone then later switched to prednisolone acetate ; and those who received prednisolone acetate only 我们分别分析了三组病人：仅使用丙酮缩氟氢羟龙组；起初使用丙酮缩氟氢羟龙但转用泼尼松龙组；仅使用泼尼松龙组。
