Agreement between clinical and ultrasound biomicroscopy findings in different types of glaucoma

S.V. Araujo, G.L. Spaeth, A. Azuara-Blanco, R.P. Wilson, M.R. Moster, C.M. Schmidt, J.J. Augsburger

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Abstract

Purpose. To evaluate agreement between clinical examination (slit lamp examination and gonioscopy) and ultrasound biomicroscopy (UBM) in characterizing various features of the anterior chamber angle and adjacent structures. Methods. Twenty-eight patients (51 eyes) with open angle glaucoma (14), closed angle glaucoma (4), narrow angle and/or plateau iris (10), who had undergone UBM between March 94 and September 95 were studied. Evaluated parameters included angle width, iris configuration and presence of angle closure. The UBMs were reviewed in a masked fashion. Results. In 87.8% of cases there was agreement (within 10 degrees) between gonioscopic and UBM estimates of angle width. In all cases with greater than 10 degrees difference (12.2%) the angle size estimated by UBM was less than that estimated clinically. Iris configuration was graded identically in 51% of cases; the majority of disagreements (76.1%) occurred in cases graded as "regular" by gonioscopy and as "steep" by UBM. Angle closure was judged to be present more frequently by UBM. Conclusions. UBM and gonioscopy do not necessarily yield identical values for angle width, iris configuration, and presence of angle closure.
Original languageEnglish
JournalInvestigative ophthalmology & visual science
Volume37
Issue number3
Publication statusPublished - 15 Feb 1996

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    Araujo, S. V., Spaeth, G. L., Azuara-Blanco, A., Wilson, R. P., Moster, M. R., Schmidt, C. M., & Augsburger, J. J. (1996). Agreement between clinical and ultrasound biomicroscopy findings in different types of glaucoma. Investigative ophthalmology & visual science, 37(3).