Fig. 2 | Scientific Reports

Fig. 2

From: Relationships between distance from the fovea to the disc and macular retinal layer thickness differ between normal and glaucomatous eyes

Fig. 2The alternative text for this image may have been generated using AI.

Parameters measured in shadowgram images of optical coherence tomography. The FDD (distance between the fovea and the centroid of ellipse-fitted disc contour), FDA (deviation of the FDD line from the horizontal reference line), and parameters of the optic disc [ellipse-fitted disc area, ovality index (short axis of the ellipse-fitted disc contour/long axis), and torsion angle (deviation of the long axis of the ellipse-fitted disc contour from the reference line vertical to the fovea-disc center axis)] were measured on shadowgram images of optical coherence tomography using ImageJ (ver. 1.53t 24 August 2022). FDD fovea-disc distance, FDA fovea-disc angle.

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