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Revista Cubana de Oftalmología
versión impresa ISSN 0864-2176versión On-line ISSN 1561-3070
Resumen
CUAN AGUILAR, Yoriel et al. Use of Pentacam camera in measuring the corneal power after Excimer laser refractive surgery. Rev Cubana Oftalmol [online]. 2010, vol.23, suppl.1, pp.513-521. ISSN 0864-2176.
OBJECTIVE: To evaluate the corneal power offered by Pentacam for myopic patients operated on by refractive excimer laser surgery at "Ramón Pando Ferrer" Cuban Institute of Ophthalmology from September to December, 2008. METHODS: A prospective study was performed in 50 eyes of 25 patients, using several measurements taken by Pentacam: total keratometric color maps and Equivalent K-reading Power, true net power and the keratometry readings equivalent to different diameters. All these measurements were analyzed and compared with the keratometry values seen in the clinical records. The real preoperative keratometries were also compared with the estimated preoperative keratometries shown by the Pentacam. The statistical analysis was based on paired t test, with 95 % significance. RESULTS: There were not significant statistical differences among the Keratometries of the medical histories, the Equivalent K-reading Power and the Keratometry readings equivalent to different diameters, being the 3.0 mm reading the one that showed the smallest difference. The rest of the measurements significantly differed. There were no differences among the preoperative keratometries. CONCLUSIONS: The Pentacam camera provided corneal powers that did not differ statistically from those found in the medical history in the myopic eyes that had previously undergone Excimer laser surgery.
Palabras clave : Corneal power; Keratometry; refractive surgery; Excimer laser.