Abstract
The classical fiber photography traditionally used to identify defects in the retinal nerve fiber layer (RNFL), has been partially discontinued due to poor availability. The new Multicolour module of Spectralis Optical Coherence Tomography (OCT), using three different laser wavelengths simultaneously, can provide images that identify the structures of the retina in different colours according to their depth. A small concordance study was conducted to determine the usefulness of the new Multicolour software versus traditional fiber photography in identifying RNFL defects. The inter-observer agreement in the interpretation of Multicolour images was good (ĸ = 0.746; P < .001), as by using Multicolour they were able to identify around 70% of patients with mild glaucoma. It is believed that the new Multicolour software is useful in evaluating RNFL defects, and is easy to perform. La fotografía de fibras clásica, usada tradicionalmente para identificar defectos en la capa de fibras nerviosas de la retina (CFNR), tiene un uso limitado debido a la necesidad de un equipo fotográfico específico y un técnico experto en la adquisición de esta clase de imágenes. El nuevo módulo Multicolor de la tomografía de coherencia óptica (OCT) Spectralis, utilizando tres longitudes de onda diferentes simultáneamente, es capaz de proporcionar imágenes en las que se identifican las estructuras de la retina en diferente color según su profundidad. Nos propusimos realizar un pequeño estudio de concordancia para determinar la utilidad del nuevo software Multicolor frente a la fotografía de fibras tradicional en la identificación de defectos en la CFNR. La concordancia interobservador en la interpretación de imágenes Multicolor fue buena (ĸ = 0,746; P < ,001); y se consiguieron identificar con Multicolor en torno al 70% de pacientes con glaucoma leve. Consideramos que el nuevo software Multicolor resulta útil en la evaluación de defectos de la CFNR, y es sencillo de realizar.
Published Version
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