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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

The effect of early steroid treatment after PRK on clinical and refractive outcomes.

PURPOSE: To evaluate the effects of steroid treatment administered in the first days after excimer laser keratectomy ( PRK) on re-epithelialization time, postoperative pain, haze and refractive outcome. METHODS: A randomised, double masked trial was carried out on two groups of patients (40 patients each), who underwent PRK. Group A (steroid group) received 0.1% fluorometholone acetate whereas group B (NSAID group) received 0.5% ketorolac tromethamine until re-epithelialization was completed. Subsequently, all 80 patients received the same steroid treatment: 0.1%, fluorometholone acetate for myopic corrections up to -5 D, or dexamethasone for myopic corrections exceeding -5 D. Both drugs were tapered off over approximately 3 months. Follow-up examinations were planned at 1, 3, 6, 12 months after surgery. RESULTS: Re-epithelialization was completed after three days, without any significant difference between groups. A higher hyperopic shift was shown in the steroid group and a more severe regression was reported in the NSAID group (p<0.001). Haze was significantly reduced in the steroid group (p=0.005), especially for myopic corrections over -5 D (p=0.015). Pain was significantly reduced in the NSAID group (p=0.002). CONCLUSION: Steroid eyedrops administered in the first days after PRK did not affect re-epithelialization time. Moreover, a modulation of the inflammatory response in this period appears to reduce haze and myopic regression in high myopic patients.[1]

References

  1. The effect of early steroid treatment after PRK on clinical and refractive outcomes. Vetrugno, M., Maino, A., Quaranta, G.M., Cardia, L. Acta ophthalmologica Scandinavica. (2001) [Pubmed]
 
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