To compare the short-term complaints of postoperative pain, and other ocular discomfort symptoms in patients who underwent photorefractive keratectomy (PRK) with alcohol-assisted epithelial removal in one eye versus mechanical debridement in the other eye.

中文翻译：

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光折射角膜切除术中酒精辅助与机械上皮切除术后症状的比较：对侧双盲临床试验。

比较接受光屈光角膜切除术（PRK）和酒精辅助上皮切除术与另一只眼机械清创术的患者术后疼痛和其他眼部不适症状的短期主诉。