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Ciencia y Tecnología para la Salud Visual y Ocular
Article . 2012 . Peer-reviewed
License: CC BY NC ND
Data sources: Crossref
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Cambios en la agudeza visual, la queratometría y refracción en pacientes después de cirugía de pterigion grado I y grado II

Authors: María Fernanda Ríos Figueroa;

Cambios en la agudeza visual, la queratometría y refracción en pacientes después de cirugía de pterigion grado I y grado II

Abstract

El pterigion es un crecimiento de tejido fibrovascular conjuntival que se extiende sobre la córnea, puede sobrepasar el área pupilar, interferir la visión y generar tracciones que podrían causar cambios refractivos. Objetivo: determinar los cambios en la agudeza visual, en la queratometía y en el estado refractivo después de la cirugía de pterigion leve y moderado. Materiales y métodos: estudio observacional descriptivo en el que se evaluaron 52 ojos de 46 pacientes que acudieron al hospital San Antonio de Chía con diagnóstico de pterigion grado I o grado II. A cada paciente se le midió agudeza visual, queratometría y refracción antes y después de un mes de la cirugía del pterigion. Se aplicaron las pruebas ji2 (X2), t pareada y Wilcoxon. Resultados: en el grupo con pterigion grado I no se observaron diferencias estadísticamente ni clínicamente significativas en la agudeza visual (p = 0,14), ni en la queratometría (p = 0,69) ni en la refracción (p = 0,33) después de la cirugía. En el grupo con pterigion grado ii se observaron diferencias estadísticamente significativas en la queratometría (p = 0,0042), pero no en la agudeza visual (p = 0,88) o en la refracción (p = 0,52); sin embargo, estos pacientes tuvieron tendencia a disminuir su visión y a miopizarse. Conclusiones: no se evidenciaron cambios significativos luego de la cirugía en el grupo de pacientes con pterigios grado I, mientras que en el de pterigion grado II sí se evidenciaron cambios estadísticamente significativos en la queratometría y cambios clínicamente relevantes en la agudeza visual sin corrección.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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