Long term followup of photorefractive keratectomy with adjuvant use of mitomycin C

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Abstract

Purpose. To study the long term refractive and visual outcomes of photorefractive keratectomy (PRK) with intraoperative application of mitomycin C (MMC). Methods. This study included 37 eyes who received myopic PRK; after photoablation, a sponge soaked in 0.02% MMC solution was applied in all corneas for 2 minutes. Efficacy, safety, predictability, and stability of PRK MMC were evaluated. Endothelial cell density was evaluated at the last postoperative interval. Results. Mean preoperative spherical equivalent (SEQ) was -6.03±1.87 D (diopters) and reduced to -0.09±0.53 D at the last postoperative examination. Mean followup was 44.73±18.24 months. All the eyes were in the ±1.00 D of attempted versus achieved SEQ at the one-year follow-up interval. Furthermore, 95% of the eyes did not lose lines or gained 1 to 2 lines of CDVA, while 5% lost 1 line. At the third postoperative month, 89% of the eyes either were clear or had trace haze, while 4 eyes had mild haze; by the 12-month postoperative interval, none of the eyes demonstrated haze. Mean endothelial cell density (ECD) at the last postoperative interval was 2658±153 cells/mm2. Conclusions. PRK, with intraoperative use of MMC, demonstrates stable refractive and visual outcomes up to 44 months after surgery. © 2014 Vasilios F. Diakonis et al.

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Diakonis, V. F., Kankariya, V. P., Kymionis, G. D., Kounis, G., Kontadakis, G., Gkenos, E., … Pallikaris, I. G. (2014). Long term followup of photorefractive keratectomy with adjuvant use of mitomycin C. Journal of Ophthalmology, 2014. https://doi.org/10.1155/2014/821920

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