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Revista Cubana de Oftalmología
versión On-line ISSN 1561-3070
Resumen
PEREZ SUAREZ, Raúl Gabriel et al. LASEK-mitomycin C versus PRK-mitomycin C in patients with myopia or compound myopic astigmatism. Rev Cubana Oftalmol [online]. 2019, vol.32, n.2 Epub 15-Sep-2019. ISSN 1561-3070.
Objective:
Evaluate the effectiveness and safety of laser-assisted subepithelial keratectomy with mitomycin C vs. photoreactive keratectomy with mitomycin C in eyes with myopia or compound myopic astigmatism.
Methods:
An experimental prospective longitudinal study was conducted at Ramón Pando Ferrer Cuban Institute of Ophthalmology from April 2016 to April 2017. Simple random sampling was used to decide on the surgical technique to be applied. Surgery was first performed on the right eye using one of the techniques, and then one week later on the left eye with the other technique. That way each patient could undergo both surgical techniques. The sample was composed of 146 eyes (73 patients) meeting the inclusion criteria.
Results:
Preoperative behavior was very similar in the two groups. In neither case were differences found in the variables analyzed (uncorrected visual acuity, best corrected visual acuity, sphere, cylinder and spherical equivalent). The differences between preoperative values and those found six months after surgery in each group were statistically significant for all the variables analyzed (p= 0.000), except for best corrected visual acuity in the group of eyes treated with laser with mitomycin C (p= 0.083). Haze and epithelization defect were the two types of complications observed.
Conclusions:
It was demonstrated that both surgical techniques are effective and safe.
Palabras clave : Refractive surgery; excimer laser; subepithelial keratectomy; photoreactive keratectomy; myopia; mitomycin C.