May 2004
Volume 45, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2004
Evaluation of Successful Macular Hole Surgery by Multifocal Electroretinography
Author Affiliations & Notes
  • Y. Tamura
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • S. Kusuhara
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • Y. Nakanishi
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • K. Yamada
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • M.F. T. Escaño
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • H. Yamamoto
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • Y. Tsukahara
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • A. Negi
    Ophthalmology, Kobe Uni Grad Sch Medicine, Kobe, Japan
  • Footnotes
    Commercial Relationships  Y. Tamura, None; S. Kusuhara, None; Y. Nakanishi, None; K. Yamada, None; M.F.T. Escaño, None; H. Yamamoto, None; Y. Tsukahara, None; A. Negi, None.
  • Footnotes
    Support  none
Investigative Ophthalmology & Visual Science May 2004, Vol.45, 4236. doi:
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      Y. Tamura, S. Kusuhara, Y. Nakanishi, K. Yamada, M.F. T. Escaño, H. Yamamoto, Y. Tsukahara, A. Negi; Evaluation of Successful Macular Hole Surgery by Multifocal Electroretinography . Invest. Ophthalmol. Vis. Sci. 2004;45(13):4236.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose:To evaluate macular function in idiopathic macular hole (MH) eyes after treatment with pars plana vitrectomy (PPV) and indocyanine green (ICG)–assisted internal limiting membrane (ILM) peeling using multifocal electroretinography (mERG). Material and methods:Fifteen MH patients who underwent PPV with ICG (0.25%)–assisted ILM peeling were enrolled in this study. The maculas of the affected and fellow eyes of each patient were examined by mERG one year postoperatively. Analyses of measured values were done in the following areas: A1, area covering 2.7° from the center of fovea; and A2, from the borders of A1 extending 16° to the periphery (18.7° from the foveal center). A2 was further divided into superior, inferior, nasal and temporal quadrants. Area values between treated and fellow eyes were compared. Results:Median mERG values from treated eyes were as follows: A1 = 18.8 nV/deg^2; A2 superior = 10.3nV/deg^2; A2 inferior = 11.9nV/deg^2; A2 nasal = 8.8nV/deg^2; and A2 temporal = 11.0nV/deg^2. Measurements from fellow eyes were as follows: A1 = 23.9 nV/deg^2; A2 superior = 11.3 nV/deg^2; A2 inferior = 12.7 nV/deg^2; A2 nasal = 9.1 nV/deg^2; and A2 temporal = 12.0 nV/deg^2. There was no significant difference between treated and fellow eyes. Conclusion:Based on the electrophysiologic response, PPV with ICG (0.25%)–assisted ILM peeling does not cause significant damage to the macula of postoperative MH eyes one year after surgery.

Keywords: macular holes • electroretinography: clinical • vitreoretinal surgery 
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