purpose: to evaluate the role of prophylactic topical steroids in the prevention of dlk after lasik. methods: in a randomized double blind clinical trial, 101 lasik candidates aged 18 to 55 years were enrolled. myopia ranged from -2 to -12 diopters and was stable for at least one year. no patient had any ocular or systemic contraindication for lasik. from one day before surgery, topical betamet...