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Documenta Ophthalmologica

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01-03-2007 | Original Research Article

Changes in multifocal oscillatory potentials after internal limiting membrane removal for macular hole

Multifocal OPs after ILM removal

Authors: Kazuha Ogata, Shuichi Yamamoto, Yoshinori Mitamura, Takeshi Sugawara, Satoshi Mizunoya

Published in: Documenta Ophthalmologica | Issue 2/2007

Abstract

Purpose

To determine whether removal of the internal limiting membrane (ILM) during macular hole (MH) surgery alters the retinal function.

Methods

Multifocal electroretinograms (mfERGs) were recorded preoperatively and 3 months after surgery from 11 eyes of 10 patients with an idiopathic MH treated successfully by pars plana vitrectomy accompanied by ILM removal. A low frequency (9.4 Hz) pseudorandom binary m-sequence stimulus was used to elicit the mfERGs from different retinal loci. The bandpass of the amplifier was set at 10–300 Hz to record the mfERGs and at 100–300 Hz to record the oscillatory potentials (OPs).

Results

An anatomical closure of the MH was achieved in all patients, and the mean visual acuity was significantly improved postoperatively. No significant difference was observed in both the amplitudes and implicit times of the negative and positive waves of the mfERGs and the OPs recorded preoperatively to those recorded postoperatively.

Conclusions

MH surgery with ILM removal does not alter the electrophysiological function of both the outer and inner retina of the posterior pole where the ILM was removed.

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Title: Changes in multifocal oscillatory potentials after internal limiting membrane removal for macular hole
Multifocal OPs after ILM removal
Authors: Kazuha Ogata
Shuichi Yamamoto
Yoshinori Mitamura
Takeshi Sugawara
Satoshi Mizunoya
Publication date: 01-03-2007
Publisher: Springer-Verlag
Published in: Documenta Ophthalmologica / Issue 2/2007
Print ISSN: 0012-4486
Electronic ISSN: 1573-2622
DOI: https://doi.org/10.1007/s10633-006-9042-9

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Changes in multifocal oscillatory potentials after internal limiting membrane removal for macular hole

Multifocal OPs after ILM removal

Abstract

Purpose

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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