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为了研究准分子激光矫正中低度近视术后应用不同浓度皮质类固醇激素对近视的影响 ,我们应用美国产LOMPAK 2 0 0型准分子激光机对≤ 6 0D ,30 0眼行PRK术。术后随机分成A组 (12 0眼 ) ,B组 (180眼 ) ,分别给予低、高浓度激素滴眼 ,随访 6个月以上。术后 6个月达预?
In order to study the effect of different concentrations of corticosteroids on myopia after low-myopia correction in patients with low myopia, we applied the LOMPAK 200 excimer laser to the PRD of ≤60D and 30O in the United States. The patients were randomly divided into group A (120 eyes) and group B (180 eyes). The patients were given low and high concentration of eye drops and were followed up for more than 6 months. 6 months after the pre-surgery?