Lamina cribrosa configuration in tilted optic discs with different tilt axes: a new hypothesis regarding optic disc tilt and torsion

Investigative Ophthalmology & Visual Science
Kyoung Min LeeTae-Woo Kim

Abstract

To determine the configuration of the anterior lamina cribrosa (LC) surface in eyes with different tilt axes. A total of 114 eyes (66 glaucomatous eyes and 48 healthy eyes) with tilted optic discs (ovality index > 1.3) were divided into vertical- and horizontal-tilt groups according to their optic disc tilt axis. Serial horizontal B-scan images of the ONH were obtained from each eye using enhanced-depth imaging spectral-domain optical coherence tomography. After three-dimensional reconstruction of the images, the anterior LC surface depth (LCD) was measured in each of the oblique scans containing the long disc axis and in the seven horizontal B-scans that divided the anterior LC surface vertically into eight parts. The configuration of the anterior LC surface along the long disc axis differed markedly between groups. The vertical-tilt group had a larger LCD at superior locations than at inferior locations, while the pattern was the opposite in the horizontal-tilt group. The RNFL thinning in glaucomatous eyes was most prominent at both the superotemporal and inferotemporal sectors in the vertical-tilt group, while it was predominated at the inferotemporal sector in the horizontal-tilt group. The configuration of the anterior LC ...Continue Reading

Citations

Nov 27, 2015·Ophthalmology·Mi Sun SungSang Woo Park
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Oct 27, 2016·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Jong Rak LeeMichael S Kook
Nov 12, 2016·Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht Von Graefes Archiv Für Klinische Und Experimentelle Ophthalmologie·Jong Eun LeeHyung Jin Koo
Feb 6, 2018·Optometry and Vision Science : Official Publication of the American Academy of Optometry·Jaclyn ChiangBarbara Zangerl
Apr 12, 2017·The British Journal of Ophthalmology·Junki KwonJi Min Park
Feb 9, 2018·The British Journal of Ophthalmology·Min Kyung SongJi Min Park
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Apr 13, 2019·Korean Journal of Ophthalmology : KJO·Ji Ah KimJeong Min Hwang
Dec 15, 2020·Korean Journal of Ophthalmology : KJO·Jounghan KimTae-Woo Kim

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