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A–D Measurement of retinal nerve fiber layer (RNFL) thickness, using a circular B-scan placed around the optic disc.

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posted on 05.11.2014 by Florian Alten, Jeremias Motte, Carina Ewering, Nani Osada, Christoph R. Clemens, Ella M. Kadas, Nicole Eter, Friedemann Paul, Martin Marziniak

A Confocal scanning laser ophthalmoscopy infrared image shows optic disc with circular scan (diameter: 3.5 mm). B Corresponding spectral domain optical coherence tomography scan. Red marks delineate automatically borders of RNFL layer. C Presentation of RNFL thickness values for individual sectors and global measurement. D Individual measurement graphically compared to a healthy population.