Optical coherence tomographic optic nerve head morphology in myopia III: the exposed neural canal region in healthy eyes implications for high myopia
Purpose: To determine the prevalence and magnitude of optical coherence tomography (OCT) exposed neural canal (ENC), externally oblique choroidal border tissue (EOCBT), and exposed scleral flange (ESF) regions in 362 non-highly myopic (spherical equivalent -6.00 to 5.75 diopters) eyes of 362 healthy...
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| Main Authors: | , , , , , , , , , , , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
February 2024
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| In: |
American journal of ophthalmology
Year: 2024, Volume: 258, Pages: 55-75 |
| ISSN: | 1879-1891 |
| DOI: | 10.1016/j.ajo.2023.08.012 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.ajo.2023.08.012 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0002939423003380?via%3Dihub 
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| Author Notes: | Seungwoo Hong, Hongli Yang, Stuart K. Gardiner, Haomin Luo, Glen P. Sharpe, Joseph Caprioli, Shaban Demirel, Christopher A. Girkin, Christian Y. Mardin, Harry A. Quigley, Alexander F. Scheuerle, Brad Fortune, Anuwat Jiravarnsirikul, Camila Zangalli, Balwantray C. Chauhan, and Claude F. Burgoyne |
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| 100 | 1 | |a Hong, Seungwoo |e VerfasserIn |0 (DE-588)1203408366 |0 (DE-627)1688500197 |4 aut | |
| 245 | 1 | 0 | |a Optical coherence tomographic optic nerve head morphology in myopia III |b the exposed neural canal region in healthy eyes implications for high myopia |c Seungwoo Hong, Hongli Yang, Stuart K. Gardiner, Haomin Luo, Glen P. Sharpe, Joseph Caprioli, Shaban Demirel, Christopher A. Girkin, Christian Y. Mardin, Harry A. Quigley, Alexander F. Scheuerle, Brad Fortune, Anuwat Jiravarnsirikul, Camila Zangalli, Balwantray C. Chauhan, and Claude F. Burgoyne |
| 264 | 1 | |c February 2024 | |
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| 500 | |a Gesehen am 08.04.2024 | ||
| 520 | |a Purpose: To determine the prevalence and magnitude of optical coherence tomography (OCT) exposed neural canal (ENC), externally oblique choroidal border tissue (EOCBT), and exposed scleral flange (ESF) regions in 362 non-highly myopic (spherical equivalent -6.00 to 5.75 diopters) eyes of 362 healthy subjects.Design: Cross-sectional study.Methods: After OCT optic nerve head (ONH) imaging, Bruch membrane opening (BMO), the anterior scleral canal opening (ASCO), and the scleral flange opening (SFO) were manually segmented. BMO, ASCO, and SFO points were projected to the BMO reference plane. The direction and magnitude of BMO/ASCO offset as well as the magnitude of ENC, EOCBT, and ESF was calculated within 30 degrees sectors relative to the foveal-BMO axis. Hi-ESF eyes demonstrated an ESF >= 100 mu m in at least 1 sector. Sectoral peri-neural canal choroidal thickness (pNC-CT) was measured and correlations between the magnitude of sectoral ESF and proportional pNC-CT were assessed.Results: Seventy-three Hi-ESF (20.2%) and 289 non-Hi-ESF eyes (79.8%) were identified. BMO/ASCO offset as well as ENC, EOCBT, and ESF prevalence and magnitude were greatest inferior temporally where the pNC-CT was thinnest. Among Hi-ESF eyes, the magnitude of each ENC region correlated with the BMO/ASCO offset magnitude, and the sectors with the longest ESF correlated with the sectors with proportionally thinnest pNC-CT.Conclusions: ONH BMO/ASCO offset, either as a cause or result of ONH neural canal remodeling, corresponds with the sectoral location of maximum ESF and minimum pNC-CT in non-highly myopic eyes. Longitudinal studies to characterize the development and clinical implications of ENC Hi-ESF regions in non-highly myopic and highly myopic eyes are indicated. | ||
| 650 | 4 | |a 3-DIMENSIONAL HISTOMORPHOMETRY | |
| 650 | 4 | |a ARTERIAL RING | |
| 650 | 4 | |a DISC MARGIN ANATOMY | |
| 650 | 4 | |a FIBER LAYER THICKNESS | |
| 650 | 4 | |a GLAUCOMA-PATIENTS | |
| 650 | 4 | |a LAMINA-CRIBROSA | |
| 650 | 4 | |a NEURORETINAL RIM | |
| 650 | 4 | |a PERIPAPILLARY CHOROIDAL THICKNESS | |
| 650 | 4 | |a SCLERAL THICKNESS | |
| 650 | 4 | |a VISUAL-FIELD DEFECTS | |
| 700 | 1 | |a Yang, Hongli |e VerfasserIn |0 (DE-588)1181397006 |0 (DE-627)1662672527 |4 aut | |
| 700 | 1 | |a Gardiner, Stuart K. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Luo, Haomin |e VerfasserIn |4 aut | |
| 700 | 1 | |a Sharpe, Glen P. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Caprioli, Joseph |e VerfasserIn |4 aut | |
| 700 | 1 | |a Demirel, Shaban |e VerfasserIn |4 aut | |
| 700 | 1 | |a Girkin, Christopher A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mardin, Christian Y. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Quigley, Harry A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Scheuerle, Alexander F. |d 1970- |e VerfasserIn |0 (DE-588)121955869 |0 (DE-627)081645619 |0 (DE-576)182285758 |4 aut | |
| 700 | 1 | |a Fortune, Brad |e VerfasserIn |4 aut | |
| 700 | 1 | |a Jiravarnsirikul, Anuwat |e VerfasserIn |4 aut | |
| 700 | 1 | |a Zangalli, Camila |e VerfasserIn |4 aut | |
| 700 | 1 | |a Chauhan, Balwantray |e VerfasserIn |0 (DE-588)1208879839 |0 (DE-627)1695840496 |4 aut | |
| 700 | 1 | |a Burgoyne, Claude F. |e VerfasserIn |0 (DE-588)1078700133 |0 (DE-627)839158416 |0 (DE-576)451631226 |4 aut | |
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