The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach

Background/Purpose: A modified novel analytical method for evaluating photographic retinal nerve fiber layer defect (RNFLD) was developed for the purpose of estimating the severity of early glaucomatous eyes. This new method was then compared with the original method, as described below, in relation...

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Autores principales:	Alexander Chen, Yu-Chun Cheng, Hung-Yin Lai, Pei-Wen Lin, Pei-Chang Wu, Ming-Tse Kuo, Ing-Chou Lai
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Glaucoma Visual fields Vision Ocular Medicine (General) R5-920
Acceso en línea:	https://doaj.org/article/abcbba35ec7f44dfad6f7f92597bd770
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spelling	oai:doaj.org-article:abcbba35ec7f44dfad6f7f92597bd7702021-12-02T04:59:09ZThe severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach0929-664610.1016/j.jfma.2020.12.026https://doaj.org/article/abcbba35ec7f44dfad6f7f92597bd7702021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0929664620306264https://doaj.org/toc/0929-6646Background/Purpose: A modified novel analytical method for evaluating photographic retinal nerve fiber layer defect (RNFLD) was developed for the purpose of estimating the severity of early glaucomatous eyes. This new method was then compared with the original method, as described below, in relation to the visual field defect severity. Methods: The clinical records of 47 glaucomatous eyes with qualified photographs were obtained from a prior retrospective study. The reference point of the angle was set at the center of the optic disc center (COD group) and the central vessel trunk (COV group). Angle α was the angular width between the fovea and the proximity of RNFLD, while angle β (+c) was the sum of the angular width(s) of localized RNFLD. The correlation between the visual field parameters and the angles of RNFLD in the above two groups were analyzed. Results: There were significant differences in angle α (p = 0.001) and angle β (+c) (p = 0.016) between the two groups. Angle β (+c) showed significant correlation with MD (p = 0.012), PSD (p = 0.035), VFI (p = 0.042) and MD (p = 0.016), PSD (p = 0.035), VFI (p = 0.031) in the COD and COV group, respectively. No correlation was found between angle α and the presence of central scotoma in both groups. Conclusion: Our novel method was more convenient in a clinical setting and noninferior to the original method.Alexander ChenYu-Chun ChengHung-Yin LaiPei-Wen LinPei-Chang WuMing-Tse KuoIng-Chou LaiElsevierarticleGlaucomaVisual fieldsVisionOcularMedicine (General)R5-920ENJournal of the Formosan Medical Association, Vol 120, Iss 12, Pp 2153-2159 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Glaucoma Visual fields Vision Ocular Medicine (General) R5-920
spellingShingle	Glaucoma Visual fields Vision Ocular Medicine (General) R5-920 Alexander Chen Yu-Chun Cheng Hung-Yin Lai Pei-Wen Lin Pei-Chang Wu Ming-Tse Kuo Ing-Chou Lai The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach
description	Background/Purpose: A modified novel analytical method for evaluating photographic retinal nerve fiber layer defect (RNFLD) was developed for the purpose of estimating the severity of early glaucomatous eyes. This new method was then compared with the original method, as described below, in relation to the visual field defect severity. Methods: The clinical records of 47 glaucomatous eyes with qualified photographs were obtained from a prior retrospective study. The reference point of the angle was set at the center of the optic disc center (COD group) and the central vessel trunk (COV group). Angle α was the angular width between the fovea and the proximity of RNFLD, while angle β (+c) was the sum of the angular width(s) of localized RNFLD. The correlation between the visual field parameters and the angles of RNFLD in the above two groups were analyzed. Results: There were significant differences in angle α (p = 0.001) and angle β (+c) (p = 0.016) between the two groups. Angle β (+c) showed significant correlation with MD (p = 0.012), PSD (p = 0.035), VFI (p = 0.042) and MD (p = 0.016), PSD (p = 0.035), VFI (p = 0.031) in the COD and COV group, respectively. No correlation was found between angle α and the presence of central scotoma in both groups. Conclusion: Our novel method was more convenient in a clinical setting and noninferior to the original method.
format	article
author	Alexander Chen Yu-Chun Cheng Hung-Yin Lai Pei-Wen Lin Pei-Chang Wu Ming-Tse Kuo Ing-Chou Lai
author_facet	Alexander Chen Yu-Chun Cheng Hung-Yin Lai Pei-Wen Lin Pei-Chang Wu Ming-Tse Kuo Ing-Chou Lai
author_sort	Alexander Chen
title	The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach
title_short	The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach
title_full	The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach
title_fullStr	The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach
title_full_unstemmed	The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach
title_sort	severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/abcbba35ec7f44dfad6f7f92597bd770
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The severity of visual field defect and the defective angles of localized retinal nerve fiber layer using a novel approach

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