Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score

Takamasa Kinoshita,1,2 Hiroko Imaizumi,1 Hirotomo Miyamoto,1 Utako Okushiba,1 Yuki Hayashi,2 Takashi Katome,2 Yoshinori Mitamura2 1Department of Ophthalmology, Sapporo City General Hospital, Sapporo, Japan; 2Department of Ophthalmology, Institute of Health Biosciences, The University of Tokushima...

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Autores principales:	Kinoshita T, Imaizumi H, Miyamoto H, Okushiba U, Hayashi Y, Katome T, Mitamura Y
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2015
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/0b8ffe268e2b46e39a4ab19f9a6aa89a
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spelling	oai:doaj.org-article:0b8ffe268e2b46e39a4ab19f9a6aa89a2021-12-02T12:27:36ZChanges in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score1177-5483https://doaj.org/article/0b8ffe268e2b46e39a4ab19f9a6aa89a2015-02-01T00:00:00Zhttp://www.dovepress.com/changes-in-metamorphopsia-in-daily-life-after-successful-epiretinal-me-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483 Takamasa Kinoshita,1,2 Hiroko Imaizumi,1 Hirotomo Miyamoto,1 Utako Okushiba,1 Yuki Hayashi,2 Takashi Katome,2 Yoshinori Mitamura2 1Department of Ophthalmology, Sapporo City General Hospital, Sapporo, Japan; 2Department of Ophthalmology, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan Purpose: To determine the correlation between the changes in metamorphopsia in daily life environment and the M-CHARTS scores after epiretinal membrane (ERM) removal, and to determine the criterion for determining whether clinically significant changes in the metamorphopsia score have occurred in M-CHARTS. Methods: We studied 65 eyes undergoing vitrectomy for unilateral ERM. Self-administered questionnaires were used to examine the metamorphopsia in their daily life. The degree of metamorphopsia was determined by M-CHARTS. The receiver operating characteristic curve was used to determine the best predictor of the changes in metamorphopsia in daily life. To determine the reproducibility of the M-CHARTS score, another set of 56 eyes with ERM was tested twice on two different days. Results: The postoperative changes in the logarithm of the M-CHARTS score was defined as M2-value. The area under the receiver operating characteristic curve for the M2-value as a predictor of the changes in metamorphopsia in daily life was larger than area under the receiver operating characteristic curve obtained for any other parameter. The optimal cutoff value was -0.4. The 95% limits of agreement between test and retest measurements had a reproducibility of ±0.3 logarithm of the M-CHARTS score. Taking into account not only the reproducibility but also the consistency with the subjective changes, we determined the criterion for clinically significant changes in the M-CHARTS scores as a change of the M2-value by ≥0.4. Conclusion: Evaluating the changes in the M-CHARTS scores in logarithmic form is favorable not only theoretically but also from the perspective of consistency with the subjective changes. Keywords: metamorphopsia score, ERM, criterion, vitrectomy Kinoshita TImaizumi HMiyamoto HOkushiba UHayashi YKatome TMitamura YDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2015, Iss default, Pp 225-233 (2015)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Kinoshita T Imaizumi H Miyamoto H Okushiba U Hayashi Y Katome T Mitamura Y Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score
description	Takamasa Kinoshita,1,2 Hiroko Imaizumi,1 Hirotomo Miyamoto,1 Utako Okushiba,1 Yuki Hayashi,2 Takashi Katome,2 Yoshinori Mitamura2 1Department of Ophthalmology, Sapporo City General Hospital, Sapporo, Japan; 2Department of Ophthalmology, Institute of Health Biosciences, The University of Tokushima Graduate School, Tokushima, Japan Purpose: To determine the correlation between the changes in metamorphopsia in daily life environment and the M-CHARTS scores after epiretinal membrane (ERM) removal, and to determine the criterion for determining whether clinically significant changes in the metamorphopsia score have occurred in M-CHARTS. Methods: We studied 65 eyes undergoing vitrectomy for unilateral ERM. Self-administered questionnaires were used to examine the metamorphopsia in their daily life. The degree of metamorphopsia was determined by M-CHARTS. The receiver operating characteristic curve was used to determine the best predictor of the changes in metamorphopsia in daily life. To determine the reproducibility of the M-CHARTS score, another set of 56 eyes with ERM was tested twice on two different days. Results: The postoperative changes in the logarithm of the M-CHARTS score was defined as M2-value. The area under the receiver operating characteristic curve for the M2-value as a predictor of the changes in metamorphopsia in daily life was larger than area under the receiver operating characteristic curve obtained for any other parameter. The optimal cutoff value was -0.4. The 95% limits of agreement between test and retest measurements had a reproducibility of ±0.3 logarithm of the M-CHARTS score. Taking into account not only the reproducibility but also the consistency with the subjective changes, we determined the criterion for clinically significant changes in the M-CHARTS scores as a change of the M2-value by ≥0.4. Conclusion: Evaluating the changes in the M-CHARTS scores in logarithmic form is favorable not only theoretically but also from the perspective of consistency with the subjective changes. Keywords: metamorphopsia score, ERM, criterion, vitrectomy
format	article
author	Kinoshita T Imaizumi H Miyamoto H Okushiba U Hayashi Y Katome T Mitamura Y
author_facet	Kinoshita T Imaizumi H Miyamoto H Okushiba U Hayashi Y Katome T Mitamura Y
author_sort	Kinoshita T
title	Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score
title_short	Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score
title_full	Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score
title_fullStr	Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score
title_full_unstemmed	Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score
title_sort	changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with m-charts score
publisher	Dove Medical Press
publishDate	2015
url	https://doaj.org/article/0b8ffe268e2b46e39a4ab19f9a6aa89a
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Changes in metamorphopsia in daily life after successful epiretinal membrane surgery and correlation with M-CHARTS score

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