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Documenta Ophthalmologica

Published in:

01-06-2017 | Original Research Article

Early postoperative evaluation of retinal function by electroretinography after vitreous surgery for idiopathic epimacular membrane

Authors: Akira Watanabe, Tamaki Gekka, Kota Arai, K. Kohzaki, Hiroshi Tsuneoka

Published in: Documenta Ophthalmologica | Issue 3/2017

Abstract

Purpose

In this study, we used the PuREC to carry out electroretinography (ERG) measurements using skin electrodes to assess changes before and after microincision vitreous surgery (MIVS) for epiretinal membrane (ERM) and evaluate the stress on retinal function soon after MIVS.

Methods

The study subjects were 18 eyes of 18 patients who underwent MIVS for ERM simultaneously with cataract surgery. ERG measurements were performed using a skin electrode on the day before vitreous surgery, on the day after surgery, and 1 week later. The amplitude and implicit time of each waveform were measured, and the changes between preoperative results and those 1 day and 1 week postoperatively were investigated.

Results

Preoperatively, the dark-adapted (DA) 0.01 ERG, the DA 3.0 ERG a-wave amplitude, and the light-adapted (LA) 3.0 ERG b-wave amplitude were significantly smaller in affected eyes compared with their fellow eyes (P < 0.05, Wilcoxon’s signed-rank test). The day after surgery, all-wave amplitude showed no significant difference compared to preoperatively (repeated-measures analysis of variance (ANOVA) post hoc test). One week after surgery, the LA 3.0 ERG for b-waves and flicker ERG amplitude had improved from the value on the day after surgery (P < 0.05, ANOVA post hoc test).

Conclusions

Cone ERG components have improved within 1 week after surgery by MIVS for ERM.

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Title: Early postoperative evaluation of retinal function by electroretinography after vitreous surgery for idiopathic epimacular membrane
Authors: Akira Watanabe
Tamaki Gekka
Kota Arai
K. Kohzaki
Hiroshi Tsuneoka
Publication date: 01-06-2017
Publisher: Springer Berlin Heidelberg
Published in: Documenta Ophthalmologica / Issue 3/2017
Print ISSN: 0012-4486
Electronic ISSN: 1573-2622
DOI: https://doi.org/10.1007/s10633-017-9583-0

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Springer Medicine

Early postoperative evaluation of retinal function by electroretinography after vitreous surgery for idiopathic epimacular membrane

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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