• In this study, we report the results of a prospective, double-blind trial to determine whether high-dose topical corticosteroids have an effect on refractive outcome or anterior stromal haze after photorefractive keratectomy. A total of 113 patients were allocated randomly to either placebo- or steroid-treated groups (0.1% dexamethasone metasulphobenzoate for 3 months) and underwent either −3.00-diopter (D) or −6.00-D procedures. At 6 weeks, the mean change in refraction was significantly greater in the steroid-treated group than in the placebo-treated group (−3.00-D group, P=.0015; −6.00-D group, P=.0001). However, when corticosteroids were discontinued at 3 months, this difference became statistically insignificant. There was no statistically significant effect on anterior stromal haze at any stage. Since long-term use of corticosteroids to maintain the initial beneficial effect on refraction would be unacceptable, we conclude that these agents should not be used after photorefractive keratectomy.
Gartry DS, Muir MGK, Lohmann CP, Marshall J. The Effect of Topical Corticosteroids on Refractive Outcome and Corneal Haze After Photorefractive Keratectomy: A Prospective, Randomized, Double-Blind Trial. Arch Ophthalmol. 1992;110(7):944–952. doi:10.1001/archopht.1992.01080190050028
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