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Rev. cuba. oftalmol ; 18(2)jul.-dic. 2005.
Article in Spanish | LILACS | ID: lil-629425

ABSTRACT

Se realizó un estudio descriptivo en 60 sujetos que se dividieron en 2 grupos, uno, en el que se incluyeron 30 pacientes con el diagnóstico de glaucoma crónico de ángulo abierto (casos) y otro, de 30 sujetos aparentemente sanos (control). A estos grupos se les realizó electrorretinograma a patrón y potenciales evocados visuales Las diferencias más significativas fueron las latencias de N95 con 99,7 y 1124 ms en los grupos control y caso respectivamente; las amplitudes de N95 tuvieron de promedio de 5,38 y 1,95 micro voltios en los grupos control y caso, respectivamente ambas variables del electrorretinograma a patrón, donde se demuestra en este trabajo, que constituye un elemento importante y de extremo valor para el diagnóstico precoz del glaucoma.


A descriptive study was conducted among 60 subjects that were divided into 2 groups. 30 patients that were diagnosed chronic open angle glaucoma (cases), and the other group that was composed of 30 apparently sound inidividuals (control). Both groups underwent pattern electroretinogram and visual evoked potentials. The most significant differences were the latencies of N95 with 99.7 and 1124 ms in the control and case groups, respectively. The amplitudes of N95 had an average of 5.38 and 1.95 microvolts in the control and case groups, respectively, of both variables of the pattern electroretinogram, where it was proved that it is an important and very valuable element for the early diagnosis of glaucoma.

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