Changes of electroretinogram without improvement of retinal circulation after radial optic neurotomy for central retinal vein occlusion : ERG changes after RON for CRVO.

Changes of electroretinogram without improvement of retinal circulation after radial optic neurotomy for central retinal vein occlusion : ERG changes after RON for CRVO. Research Abstract Details 

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Changes of electroretinogram without improvement of retinal circulation after radial optic neurotomy for central retinal vein occlusion : ERG changes after RON for CRVO. Abstract Text:

Eiju Sato,Shuichi Yamamoto,Kazuha Ogata,Mariko Kubota,Takeshi Sugawara,Satoshi Mizunoya,

Purpose To evaluate the efficacy of radial optic neurotomy (RON) on retinal function in patients with central retinal vein occlusion (CRVO). Methods Ten eyes of 10 patients with CRVO underwent pars plana vitrectomy and RON. Standardized combined electroretinograms (ERGs) to full-field bright-flash stimuli were recorded preoperatively and, 3 months postoperatively. The best-corrected visual acuity and foveal thickness were also determined, before and 3 months postoperatively. Results The mean best-corrected visual acuity and mean foveal thickness were both significantly improved after vitrectomy and RON. The mean amplitudes of a- and b-waves did not change significantly, but the mean b/a wave ratio was increased significantly after vitrectomy and RON. An improvement of the b/a ratio was observed in six eyes, however, an improvement of retinal circulation was confirmed on postoperative fluorescein angiograms in two of these six eyes. Conclusions Significant improvements were observed in the b/a wave ratio of the standard combined ERGs after surgery in eyes with CRVO. The improvement of retinal function was most likely due to improved oxygenation of retina caused by vitrectomy and not by RON.

Changes of electroretinogram without improvement of retinal circulation after radial optic neurotomy for central retinal vein occlusion : ERG changes after RON for CRVO. Publishing Authors By Initials

E Sato,S Yamamoto,K Ogata,M Kubota,T Sugawara,S Mizunoya,

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Changes of electroretinogram without improvement of retinal circulation after radial optic neurotomy for central retinal vein occlusion : ERG changes after RON for CRVO. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Documenta ophthalmologica. Advances in ophthalmolo

VOLUME: 116

Page Numbers: 153-8

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ISSN: 0012-4486

DAY: 1

MONTH: 01

YEAR: 2008

Changes of electroretinogram without improvement of retinal circulation after radial optic neurotomy for central retinal vein occlusion : ERG changes after RON for CRVO. Information

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LANGUAGE: eng

NlmUniqueID: 370667

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Grant and Affiliation Information for Changes of electroretinogram without improvement of retinal circulation after radial optic neurotomy for central retinal vein occlusion : ERG changes after RON for CRVO.

AFFILIATION: Department of Ophthalmology and Visual Science, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan.

Country: Netherlands

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MEDLINETA: Doc Ophthalmol

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