Resumen

PEREZ RANGEL, Yantsy et al. Qualitative evaluation of filtering blebs. Rev Cubana Oftalmol [online]. 2020, vol.33, n.4  Epub 08-Feb-2021. ISSN 1561-3070.

A review was conducted on the qualitative evaluation of the filtering bleb. The conjunctival bleb is the visible part of filtration surgery, and its morphology is an indicator of factors which may determine the hypotensive result of surgery and the possible postoperative complications. Various studies have been conducted which relate the clinical evaluation of its morphology and intraocular pressure control. Several grading systems have thus been established: Wuerzburg Bleb Classification Score, Moorfields Bleb Grading System, Indiana Bleb Appearance Grading Scale and imaging methods to evaluate the anterior segment (ultrasound biomicroscopy, Heidenberg retinal tomography and optical coherence tomography). These methods are a useful tool for the follow-up of filtration surgery and its documentation.

Palabras clave : Filtering bleb; filtration surgery; glaucoma; grading system.

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