$Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas$
Código QR

Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas

Takeshi Teshigawara,1–3 Akira Meguro,3 Nobuhisa Mizuki3 1Yokosuka Chuoh Eye Clinic, Yokosuka, Kanagawa, Japan; 2Tsurumi Chuoh Eye Clinic, Yokohama, Kanagawa, Japan; 3Department of Ophthalmology, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan Purpose: To evaluate t...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Teshigawara T, Meguro A, Mizuki N
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	pupil dilation IOL power calculation predicted postoperative refraction Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/2521c6d426214320b32456c5fbd22130
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:2521c6d426214320b32456c5fbd22130
record_format	dspace
spelling	oai:doaj.org-article:2521c6d426214320b32456c5fbd221302021-12-02T07:13:50ZInfluence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas1177-5483https://doaj.org/article/2521c6d426214320b32456c5fbd221302018-10-01T00:00:00Zhttps://www.dovepress.com/influence-of-pupil-dilation-on-predicted-postoperative-refraction-and--peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Takeshi Teshigawara,1–3 Akira Meguro,3 Nobuhisa Mizuki3 1Yokosuka Chuoh Eye Clinic, Yokosuka, Kanagawa, Japan; 2Tsurumi Chuoh Eye Clinic, Yokohama, Kanagawa, Japan; 3Department of Ophthalmology, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan Purpose: To evaluate the influence of pupil dilation on predicted postoperative refraction (PPR) and recommended intraocular lens (IOL) power to obtain target postoperative refraction calculated by using the third- and fourth-generation IOL power calculation formulas with a new optical biometer.Methods: This retrospective study included 162 eyes with cataract that underwent uneventful phacoemulsification with IOL implantation. PPR, recommended IOL power, anterior chamber depth (ACD), and lens thickness (LT) were measured pre- and post-pupil dilation. The change in PPR detected by using third-generation (Hoffer Q and SRK/T) and fourth-generation formulas (Haigis and Holladay 2) and the changes in ACD and LT were evaluated pre- and postdilation. The influence of dilation on the recommended IOL power calculated by each formula was analyzed.Result: ACD and LT significantly changed from pre- to postdilation. The mean absolute change in PPR between pre- and postdilation was significantly higher for fourth-generation formulas compared with third-generation formulas. The change in PPR between pre- and postdilation showed a significantly positive correlation with change in ACD and a significantly negative correlation with change in LT with fourth-generation formulas, but not with third-generation formulas. The discrepancy rate of recommended IOL power between pre- and postdilation calculated by fourth-generation formulas was significantly higher than that calculated by third-generation formulas.Conclusion: ACD and LT significantly changed by dilation. PPR and recommended IOL power significantly changed more by dilation when using fourth-generation formulas compared with third-generation formulas. Given the significant correlations of the change in PPR (between the pre- and postdilation) in the fourth-generation formulas and the changes in ACD and LT, the latter changes may be key in influencing dilation in the fourth-generation power calculation. Knowledge of the influence of dilation on fourth-generation formulas could help improve IOL calculation. Keywords: pupil dilation, IOL power calculation, predicted postoperative refractionTeshigawara TMeguro AMizuki NDove Medical Pressarticlepupil dilationIOL power calculationpredicted postoperative refractionOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 12, Pp 1913-1919 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	pupil dilation IOL power calculation predicted postoperative refraction Ophthalmology RE1-994
spellingShingle	pupil dilation IOL power calculation predicted postoperative refraction Ophthalmology RE1-994 Teshigawara T Meguro A Mizuki N Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas
description	Takeshi Teshigawara,1–3 Akira Meguro,3 Nobuhisa Mizuki3 1Yokosuka Chuoh Eye Clinic, Yokosuka, Kanagawa, Japan; 2Tsurumi Chuoh Eye Clinic, Yokohama, Kanagawa, Japan; 3Department of Ophthalmology, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan Purpose: To evaluate the influence of pupil dilation on predicted postoperative refraction (PPR) and recommended intraocular lens (IOL) power to obtain target postoperative refraction calculated by using the third- and fourth-generation IOL power calculation formulas with a new optical biometer.Methods: This retrospective study included 162 eyes with cataract that underwent uneventful phacoemulsification with IOL implantation. PPR, recommended IOL power, anterior chamber depth (ACD), and lens thickness (LT) were measured pre- and post-pupil dilation. The change in PPR detected by using third-generation (Hoffer Q and SRK/T) and fourth-generation formulas (Haigis and Holladay 2) and the changes in ACD and LT were evaluated pre- and postdilation. The influence of dilation on the recommended IOL power calculated by each formula was analyzed.Result: ACD and LT significantly changed from pre- to postdilation. The mean absolute change in PPR between pre- and postdilation was significantly higher for fourth-generation formulas compared with third-generation formulas. The change in PPR between pre- and postdilation showed a significantly positive correlation with change in ACD and a significantly negative correlation with change in LT with fourth-generation formulas, but not with third-generation formulas. The discrepancy rate of recommended IOL power between pre- and postdilation calculated by fourth-generation formulas was significantly higher than that calculated by third-generation formulas.Conclusion: ACD and LT significantly changed by dilation. PPR and recommended IOL power significantly changed more by dilation when using fourth-generation formulas compared with third-generation formulas. Given the significant correlations of the change in PPR (between the pre- and postdilation) in the fourth-generation formulas and the changes in ACD and LT, the latter changes may be key in influencing dilation in the fourth-generation power calculation. Knowledge of the influence of dilation on fourth-generation formulas could help improve IOL calculation. Keywords: pupil dilation, IOL power calculation, predicted postoperative refraction
format	article
author	Teshigawara T Meguro A Mizuki N
author_facet	Teshigawara T Meguro A Mizuki N
author_sort	Teshigawara T
title	Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas
title_short	Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas
title_full	Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas
title_fullStr	Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas
title_full_unstemmed	Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas
title_sort	influence of pupil dilation on predicted postoperative refraction and recommended iol to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/2521c6d426214320b32456c5fbd22130
work_keys_str_mv	AT teshigawarat influenceofpupildilationonpredictedpostoperativerefractionandrecommendedioltoobtaintargetpostoperativerefractioncalculatedbyusingthirdandfourthgenerationcalculationformulas AT meguroa influenceofpupildilationonpredictedpostoperativerefractionandrecommendedioltoobtaintargetpostoperativerefractioncalculatedbyusingthirdandfourthgenerationcalculationformulas AT mizukin influenceofpupildilationonpredictedpostoperativerefractionandrecommendedioltoobtaintargetpostoperativerefractioncalculatedbyusingthirdandfourthgenerationcalculationformulas
_version_	1718399507151978496

Influence of pupil dilation on predicted postoperative refraction and recommended IOL to obtain target postoperative refraction calculated by using third- and fourth-generation calculation formulas

Ejemplares similares