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Relative lens vault in subjects with angle closure
BACKGROUND: The purpose of this study was to investigate the association of a novel biometric parameter, relative lens vault (LV), with primary angle-closure (PAC) and primary angle-closure glaucoma (PACG). METHODS: We evaluated 101 subjects with PAC (G) and 101 normal subjects that were age- and ge...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4108958/ https://www.ncbi.nlm.nih.gov/pubmed/25042297 http://dx.doi.org/10.1186/1471-2415-14-93 |
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author | Kim, Young Kook Yoo, Beong Wook Kim, Hee Chan Aung, Tin Park, Ki Ho |
author_facet | Kim, Young Kook Yoo, Beong Wook Kim, Hee Chan Aung, Tin Park, Ki Ho |
author_sort | Kim, Young Kook |
collection | PubMed |
description | BACKGROUND: The purpose of this study was to investigate the association of a novel biometric parameter, relative lens vault (LV), with primary angle-closure (PAC) and primary angle-closure glaucoma (PACG). METHODS: We evaluated 101 subjects with PAC (G) and 101 normal subjects that were age- and gender-matched. Based on anterior-segment optical coherence tomography scans, and using customized software, the anterior vault (AV) and LV were measured. They were defined as the maximum distances between the horizontal line connecting the two scleral spurs and the posterior corneal surface and anterior lens surface, respectively. The relative LV was calculated by dividing the LV by the AV. RESULTS: Significant differences between PAC (G) eyes and normal eyes were found in the LV (1.06 ± 0.41 vs. 0.36 ± 0.37 mm, P < 0.001), relative LV (0.34 ± 0.23 vs. 0.11 ± 0.25, P < 0.001), and axial length (22.96 ± 0.94 vs. 24.02 ± 1.33 mm, P < 0.001). However, the two groups’ values of the AV relative to those of axial length were quite similar (both 0.14 ± 0.03, P = 0.91). The relative LV values distinguished between PAC (G) eyes and normal eyes better than the LV values (area under the receiver operator characteristic curve: 0.97 vs. 0.92, P = 0.032). CONCLUSIONS: Our results suggest that relative dimensions of the eyeball’s anterior portion in PAC (G) eyes might be within the normal range. And the value of LV relative to that of the AV (i.e., the relative LV) is more closely related to PAC (G) than is the absolute value of LV. |
format | Online Article Text |
id | pubmed-4108958 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-41089582014-07-25 Relative lens vault in subjects with angle closure Kim, Young Kook Yoo, Beong Wook Kim, Hee Chan Aung, Tin Park, Ki Ho BMC Ophthalmol Research Article BACKGROUND: The purpose of this study was to investigate the association of a novel biometric parameter, relative lens vault (LV), with primary angle-closure (PAC) and primary angle-closure glaucoma (PACG). METHODS: We evaluated 101 subjects with PAC (G) and 101 normal subjects that were age- and gender-matched. Based on anterior-segment optical coherence tomography scans, and using customized software, the anterior vault (AV) and LV were measured. They were defined as the maximum distances between the horizontal line connecting the two scleral spurs and the posterior corneal surface and anterior lens surface, respectively. The relative LV was calculated by dividing the LV by the AV. RESULTS: Significant differences between PAC (G) eyes and normal eyes were found in the LV (1.06 ± 0.41 vs. 0.36 ± 0.37 mm, P < 0.001), relative LV (0.34 ± 0.23 vs. 0.11 ± 0.25, P < 0.001), and axial length (22.96 ± 0.94 vs. 24.02 ± 1.33 mm, P < 0.001). However, the two groups’ values of the AV relative to those of axial length were quite similar (both 0.14 ± 0.03, P = 0.91). The relative LV values distinguished between PAC (G) eyes and normal eyes better than the LV values (area under the receiver operator characteristic curve: 0.97 vs. 0.92, P = 0.032). CONCLUSIONS: Our results suggest that relative dimensions of the eyeball’s anterior portion in PAC (G) eyes might be within the normal range. And the value of LV relative to that of the AV (i.e., the relative LV) is more closely related to PAC (G) than is the absolute value of LV. BioMed Central 2014-07-21 /pmc/articles/PMC4108958/ /pubmed/25042297 http://dx.doi.org/10.1186/1471-2415-14-93 Text en Copyright © 2014 Kim et al.; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/4.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. |
spellingShingle | Research Article Kim, Young Kook Yoo, Beong Wook Kim, Hee Chan Aung, Tin Park, Ki Ho Relative lens vault in subjects with angle closure |
title | Relative lens vault in subjects with angle closure |
title_full | Relative lens vault in subjects with angle closure |
title_fullStr | Relative lens vault in subjects with angle closure |
title_full_unstemmed | Relative lens vault in subjects with angle closure |
title_short | Relative lens vault in subjects with angle closure |
title_sort | relative lens vault in subjects with angle closure |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4108958/ https://www.ncbi.nlm.nih.gov/pubmed/25042297 http://dx.doi.org/10.1186/1471-2415-14-93 |
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