Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism

This study aimed to investigate the arithmetic mean of surgically induced astigmatism (M-SIA) and the centroid of surgically induced astigmatism (C-SIA) after standard trabeculectomy. We comprised 185 eyes of 143 consecutive patients (mean age ± standard deviation, 67.7 ± 11.6 years) who underwent t...
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Autor*in:	Wakako Ando [verfasserIn] Kazutaka Kamiya [verfasserIn] Masayuki Kasahara [verfasserIn] Nobuyuki Shoji [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	corneal astigmatism surgical induced astigmatism arithmetic mean centroid glaucoma trabeculectomy

Übergeordnetes Werk:	In: Journal of Clinical Medicine - MDPI AG, 2013, 11(2022), 1, p 240
Übergeordnetes Werk:	volume:11 ; year:2022 ; number:1, p 240

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/jcm11010240

Katalog-ID:	DOAJ010469478

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allfieldsSound	10.3390/jcm11010240 doi (DE-627)DOAJ010469478 (DE-599)DOAJ5e3e014a00ae43d5b0df466810d58f8e DE-627 ger DE-627 rakwb eng Wakako Ando verfasserin aut Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study aimed to investigate the arithmetic mean of surgically induced astigmatism (M-SIA) and the centroid of surgically induced astigmatism (C-SIA) after standard trabeculectomy. We comprised 185 eyes of 143 consecutive patients (mean age ± standard deviation, 67.7 ± 11.6 years) who underwent trabeculectomy and completed at least a 3-month routine follow-up. In all cases, the scleral flap was made at the nasal-superior location. Corneal astigmatism was measured with an automated keratometer. We calculated the M-SIA and the C-SIA using vector analysis and applied the astigmatism double angle plot. The magnitude of corneal astigmatism increased significantly, from 1.17 ± 0.92 D preoperatively to 1.77 ± 1.05 D postoperatively (paired <i<t</i<-test, <i<p</i< < 0.001). The M-SIA was 1.12 ± 0.55 D, and the C-SIA was 0.73 D 64° ± 1.02 D in the right eye group, and the M-SIA was 1.08 ± 0.48 D and the C-SIA was 0.60 D @117° ± 1.03 D in the left eye group. The C-SIA showed an astigmatic shift toward the nasal-superior location of the scleral flap creation. Our results revealed that trabeculectomy induced the SIA in the direction of the scleral flap location and that the C-SIA was much lower than the M-SIA in eyes undergoing trabeculectomy. corneal astigmatism surgical induced astigmatism arithmetic mean centroid glaucoma trabeculectomy Medicine R Kazutaka Kamiya verfasserin aut Masayuki Kasahara verfasserin aut Nobuyuki Shoji verfasserin aut In Journal of Clinical Medicine MDPI AG, 2013 11(2022), 1, p 240 (DE-627)718632478 (DE-600)2662592-1 20770383 nnns volume:11 year:2022 number:1, p 240 https://doi.org/10.3390/jcm11010240 kostenfrei https://doaj.org/article/5e3e014a00ae43d5b0df466810d58f8e kostenfrei https://www.mdpi.com/2077-0383/11/1/240 kostenfrei https://doaj.org/toc/2077-0383 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2022 1, p 240
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author	Wakako Ando
spellingShingle	Wakako Ando misc corneal astigmatism misc surgical induced astigmatism misc arithmetic mean misc centroid misc glaucoma misc trabeculectomy misc Medicine misc R Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism
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topic_title	Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism corneal astigmatism surgical induced astigmatism arithmetic mean centroid glaucoma trabeculectomy
topic	misc corneal astigmatism misc surgical induced astigmatism misc arithmetic mean misc centroid misc glaucoma misc trabeculectomy misc Medicine misc R
topic_unstemmed	misc corneal astigmatism misc surgical induced astigmatism misc arithmetic mean misc centroid misc glaucoma misc trabeculectomy misc Medicine misc R
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title	Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism
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title_full	Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism
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author_browse	Wakako Ando Kazutaka Kamiya Masayuki Kasahara Nobuyuki Shoji
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title_sort	effect of trabeculectomy on mean and centroid surgically induced astigmatism
title_auth	Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism
abstract	This study aimed to investigate the arithmetic mean of surgically induced astigmatism (M-SIA) and the centroid of surgically induced astigmatism (C-SIA) after standard trabeculectomy. We comprised 185 eyes of 143 consecutive patients (mean age ± standard deviation, 67.7 ± 11.6 years) who underwent trabeculectomy and completed at least a 3-month routine follow-up. In all cases, the scleral flap was made at the nasal-superior location. Corneal astigmatism was measured with an automated keratometer. We calculated the M-SIA and the C-SIA using vector analysis and applied the astigmatism double angle plot. The magnitude of corneal astigmatism increased significantly, from 1.17 ± 0.92 D preoperatively to 1.77 ± 1.05 D postoperatively (paired <i<t</i<-test, <i<p</i< < 0.001). The M-SIA was 1.12 ± 0.55 D, and the C-SIA was 0.73 D 64° ± 1.02 D in the right eye group, and the M-SIA was 1.08 ± 0.48 D and the C-SIA was 0.60 D @117° ± 1.03 D in the left eye group. The C-SIA showed an astigmatic shift toward the nasal-superior location of the scleral flap creation. Our results revealed that trabeculectomy induced the SIA in the direction of the scleral flap location and that the C-SIA was much lower than the M-SIA in eyes undergoing trabeculectomy.
abstractGer	This study aimed to investigate the arithmetic mean of surgically induced astigmatism (M-SIA) and the centroid of surgically induced astigmatism (C-SIA) after standard trabeculectomy. We comprised 185 eyes of 143 consecutive patients (mean age ± standard deviation, 67.7 ± 11.6 years) who underwent trabeculectomy and completed at least a 3-month routine follow-up. In all cases, the scleral flap was made at the nasal-superior location. Corneal astigmatism was measured with an automated keratometer. We calculated the M-SIA and the C-SIA using vector analysis and applied the astigmatism double angle plot. The magnitude of corneal astigmatism increased significantly, from 1.17 ± 0.92 D preoperatively to 1.77 ± 1.05 D postoperatively (paired <i<t</i<-test, <i<p</i< < 0.001). The M-SIA was 1.12 ± 0.55 D, and the C-SIA was 0.73 D 64° ± 1.02 D in the right eye group, and the M-SIA was 1.08 ± 0.48 D and the C-SIA was 0.60 D @117° ± 1.03 D in the left eye group. The C-SIA showed an astigmatic shift toward the nasal-superior location of the scleral flap creation. Our results revealed that trabeculectomy induced the SIA in the direction of the scleral flap location and that the C-SIA was much lower than the M-SIA in eyes undergoing trabeculectomy.
abstract_unstemmed	This study aimed to investigate the arithmetic mean of surgically induced astigmatism (M-SIA) and the centroid of surgically induced astigmatism (C-SIA) after standard trabeculectomy. We comprised 185 eyes of 143 consecutive patients (mean age ± standard deviation, 67.7 ± 11.6 years) who underwent trabeculectomy and completed at least a 3-month routine follow-up. In all cases, the scleral flap was made at the nasal-superior location. Corneal astigmatism was measured with an automated keratometer. We calculated the M-SIA and the C-SIA using vector analysis and applied the astigmatism double angle plot. The magnitude of corneal astigmatism increased significantly, from 1.17 ± 0.92 D preoperatively to 1.77 ± 1.05 D postoperatively (paired <i<t</i<-test, <i<p</i< < 0.001). The M-SIA was 1.12 ± 0.55 D, and the C-SIA was 0.73 D 64° ± 1.02 D in the right eye group, and the M-SIA was 1.08 ± 0.48 D and the C-SIA was 0.60 D @117° ± 1.03 D in the left eye group. The C-SIA showed an astigmatic shift toward the nasal-superior location of the scleral flap creation. Our results revealed that trabeculectomy induced the SIA in the direction of the scleral flap location and that the C-SIA was much lower than the M-SIA in eyes undergoing trabeculectomy.
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title_short	Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism
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up_date	2024-07-03T15:00:18.967Z
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Effect of Trabeculectomy on Mean and Centroid Surgically Induced Astigmatism

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