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Revista Cubana de Oftalmología
versión impresa ISSN 0864-2176
Resumen
CARDENAS DIAZ, Taimí et al. Keratometric study of hypermetropic patients with laser surgery by using Pentacam vs. Maloney method. Rev Cubana Oftalmol [online]. 2014, vol.27, n.1, pp. 109-118. ISSN 0864-2176.
Objective: to compare the keratometries given by the Pentacam in hyperopic patients operated on with laser and those obtained through Maloney method in "Ramón Pando Ferrer" Cuban Institute of Ophthalmology from March to May of 2013. Methods: a prospective study was conducted in 50 eyes from 27 hyperopic patients operated on with LASIK, in which average keratometry was estimated using Maloney method and then compared with those of Pentacam system; the used variables were total central keratometric value and Equivalent K-reading Power of color maps, as well as the true net power (total keratometic value at 3,0 mm) and the readings of equivalent keratometry at different diameter of HolladayReport programs. The average preoperative keratometries of the medical histories and those of the Pentacam system were also compared. The statistical analysis included paired T test, using a 95 % significance level. Results: there were not significant statistical differences among the keratometries by Maloney method, the Equivalent K-reading power and the readings of equivalent keratometries at different diameters, being that of 4,5 mm the more accurate. The rest of the measurements differed in a significant way. There were differences among the preoperative keratometries. Conclusion: the Pentacam system provides corneal powers that did not statistically differ from those obtained by the Maloney method in hyperopic eyes with prior LASIK.
Palabras clave : keratometry; laser refractive surgery; hypermetropia.