Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc

Abstract For over a century, tilted disc syndrome (TDS) has been defined vaguely. The lack of consensus of the terminology arises from the lack of understanding of the pathogenesis of this condition. Also, myopic discs with temporal crescents or peripapillary atrophy (PPA) are histologically indisti...

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Autores principales:	Yong Chan Kim, Ji-Sun Moon, Hae-Young Lopilly Park, Chan Kee Park
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d6f3ef806d8e4d7fa10a58781e35f7c0
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spelling	oai:doaj.org-article:d6f3ef806d8e4d7fa10a58781e35f7c02021-12-02T15:08:48ZThree Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc10.1038/s41598-018-19242-z2045-2322https://doaj.org/article/d6f3ef806d8e4d7fa10a58781e35f7c02018-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-19242-zhttps://doaj.org/toc/2045-2322Abstract For over a century, tilted disc syndrome (TDS) has been defined vaguely. The lack of consensus of the terminology arises from the lack of understanding of the pathogenesis of this condition. Also, myopic discs with temporal crescents or peripapillary atrophy (PPA) are histologically indistinguishable from TDS. Therefore, we examined the morphological background of the extreme ONH appearances such as the myopic tilted disc and the TDS by analyzing the posterior segment of the eye from a three-dimensional (3D) perspective. 107 eyes of 107 subjects were classified into 3 groups with respect to the optic disc torsion degrees: (1) mild torsion (0–30 degrees; 35 eyes) and (2) moderate torsion (30–60 degrees; 35 eyes) and (3) severe torsion (60–90 degrees; 37 eyes). SSOCT images were analyzed in coronal view, which supplements anterior-posterior depth (z axis in Cartesian coordinates). The amount of optic disc torsion was significantly correlated with Disc-DPE angle and Fovea-Disc depth (r = 0.548, P < 0.001 and r = 0.544, P < 0.001). In conclusion, we describe specific types of posterior sclera configuration that corresponds to the increasing degree of optic disc torsion, even in the extreme ONH appearances such as the myopic tilted disc and the TDS. These findings suggest that the optic disc appearance is determined by the configuration of the posterior sclera.Yong Chan KimJi-Sun MoonHae-Young Lopilly ParkChan Kee ParkNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yong Chan Kim Ji-Sun Moon Hae-Young Lopilly Park Chan Kee Park Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc
description	Abstract For over a century, tilted disc syndrome (TDS) has been defined vaguely. The lack of consensus of the terminology arises from the lack of understanding of the pathogenesis of this condition. Also, myopic discs with temporal crescents or peripapillary atrophy (PPA) are histologically indistinguishable from TDS. Therefore, we examined the morphological background of the extreme ONH appearances such as the myopic tilted disc and the TDS by analyzing the posterior segment of the eye from a three-dimensional (3D) perspective. 107 eyes of 107 subjects were classified into 3 groups with respect to the optic disc torsion degrees: (1) mild torsion (0–30 degrees; 35 eyes) and (2) moderate torsion (30–60 degrees; 35 eyes) and (3) severe torsion (60–90 degrees; 37 eyes). SSOCT images were analyzed in coronal view, which supplements anterior-posterior depth (z axis in Cartesian coordinates). The amount of optic disc torsion was significantly correlated with Disc-DPE angle and Fovea-Disc depth (r = 0.548, P < 0.001 and r = 0.544, P < 0.001). In conclusion, we describe specific types of posterior sclera configuration that corresponds to the increasing degree of optic disc torsion, even in the extreme ONH appearances such as the myopic tilted disc and the TDS. These findings suggest that the optic disc appearance is determined by the configuration of the posterior sclera.
format	article
author	Yong Chan Kim Ji-Sun Moon Hae-Young Lopilly Park Chan Kee Park
author_facet	Yong Chan Kim Ji-Sun Moon Hae-Young Lopilly Park Chan Kee Park
author_sort	Yong Chan Kim
title	Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc
title_short	Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc
title_full	Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc
title_fullStr	Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc
title_full_unstemmed	Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc
title_sort	three dimensional evaluation of posterior pole and optic nerve head in tilted disc
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/d6f3ef806d8e4d7fa10a58781e35f7c0
work_keys_str_mv	AT yongchankim threedimensionalevaluationofposteriorpoleandopticnerveheadintilteddisc AT jisunmoon threedimensionalevaluationofposteriorpoleandopticnerveheadintilteddisc AT haeyounglopillypark threedimensionalevaluationofposteriorpoleandopticnerveheadintilteddisc AT chankeepark threedimensionalevaluationofposteriorpoleandopticnerveheadintilteddisc
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Three Dimensional Evaluation of Posterior Pole and Optic Nerve Head in Tilted Disc

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