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versão On-line ISSN 1560-4381
Resumo
FERNANDEZ SOLER, Julio Alberto; GARCIA PEREZ, Rebeca del Carmen; MARINO HIDALGO, Oreste Marcial e COBAS GONZALEZ, José Antonio. Characterization of Ametropia Present in Patients Attended in Refractive Surgery Consultation of Ophthalmological Center of Holguín. ccm [online]. 2015, vol.19, n.2, pp. 233-245. ISSN 1560-4381.
Introduction: ametropia is a frequent cause of consultation in Ophthalmology Service. Purpose: to characterize ametropia present in patients attended in refractive surgery consultation at the Ophthalmological Center of Holguín. Methods: a descriptive and cross-sectional study was conducted with a non-probabilistic sample of 112 patients that fulfilled surgical criteria from the ones assessed from January to December 2013. The analyzed variables were: ametropia, spherical correction, cylindrical correction, laterality, keratometry, axial length, non-corrected visual acuity and best visual corrected acuity. Results: astigmatism was found in 98.22 % of patients, and its compound-myopic type in 93.63 % among them, with an average sphere of 5.57 diopters and an average modular cylinder of 1.75 diopters. The astigmatism was bilateral in 90.18 % of patients and with-the-rule in 69.09 % of them. The mean keratometry found was 43.73 diopters and the mean axial length was 25.46 mm. The average uncorrected visual acuity was 0.05 whereas the average best corrected visual acuity was 0.98. Conclusions: moderate-grade miopic astigmatism predominated as refractive defects and it was most frequently bilateral. With-the-rule astigmatisms and combined ametropia (refractive and axial) were predominant. There was correspondence between subjective and objective refraction in most of the patients. The presence of anisometropia and refractive amblyopia were low. A large amount of patients with spherical overcorrection at cost of cylinder were found and therefore uncorrected astigmatisms were identified.
Palavras-chave : ametropia; astigmatism; refraction; refractive surgery; corrected visual acuity.