Estudio comparativo del test de Schirmer y BUT en relación con la etiología y gravedad del ojo seco

  1. JS López García
  2. I García Lozano
  3. A Smaranda
  4. J Martínez Garchitorena
Journal:
Archivos de la Sociedad Española de Oftalmologia

ISSN: 0365-6691

Year of publication: 2005

Volume: 80

Issue: 5

Pages: 289-296

Type: Article

DOI: 10.4321/S0365-66912005000500006 DIALNET GOOGLE SCHOLAR lock_openOpen access editor

More publications in: Archivos de la Sociedad Española de Oftalmologia

Abstract

Purpose: To determine possible differences between the Schirmer test and the tear break up time (BUT) in relation to the etiology and severity of the dry eye syndrome. Methods: We present a prospective study of 206 eyes in 106 patients (38 males and 68 females). Both the Schirmer test and BUT were performed on all of them. We divided the patients into ten etiologic groups according to the Madrid triple classification of dry eye etiology and into four groups according to clinical severity. Results: Both the Schirmer test and BUT results decrease according to the severity of symptoms and we found significant differences between clinical groups. In regard to etiology, we found lower values of the Schirmer test especially in immunological, senile and traumatic dry eye groups. BUT measures were lower in immunological, inflammatory and tantalic dry eye groups. Conclusions: Although we found differences between Schirmer test results and BUT values according to dry eye etiology, these differences were only statistically significant between the immunological group and the other groups. Differences between etiological groups decreased with worsening of the illness due to a general affectation of the lacrimal glands.

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