May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Microperimetric Evaluation of Idiopathic Epiretinal Membrane Before and After Surgery
Author Affiliations & Notes
  • A. Mastrocola
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • A. Scupola
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • P. Sasso
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • S. Traina
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • S. Petroni
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • R. Fasciani
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • M. Savastano
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • E. Balestrazzi
    Ophthalmology, Catholic University of Sacro Cuore, Rome, Rome, Italy
  • Footnotes
    Commercial Relationships  A. Mastrocola, None; A. Scupola, None; P. Sasso, None; S. Traina, None; S. Petroni, None; R. Fasciani, None; M. Savastano, None; E. Balestrazzi, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 4698. doi:https://doi.org/
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      A. Mastrocola, A. Scupola, P. Sasso, S. Traina, S. Petroni, R. Fasciani, M. Savastano, E. Balestrazzi; Microperimetric Evaluation of Idiopathic Epiretinal Membrane Before and After Surgery. Invest. Ophthalmol. Vis. Sci. 2008;49(13):4698. doi: https://doi.org/.

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

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Abstract

Purpose: : To perform morphofunctional evaluation of patients with idiopathic epiretinal membrane (MER), before and after surgery, by microperimetry (MP1) and optical coherence tomography (OCT).

Methods: : Nineteen eyes of nineteen consecutive patients with idiopathic MER were treated with vitrectomy and peeling of MER. Preoperatively and 1, 3, 6 months after surgery, all patients underwent complete ophthalmological examination including best corrected visual acuity (BCVA; in logarithm of the minimum angle of resolution units) (LogMAR), macular sensitivity and retinal fixation investigated using MP1 and macular thickness quantified with OCT.

Results: : Before surgery mean BCVA was 0,5 ± 0,92 logMAR, mean retinal sensitivity was 9,9 ± 1,67 dB, and mean retinal thickness was 474 ± 116 µm. Six month after surgery, mean BCVA improved to 0,2 ± 0,92 LogMAR and macular sensitivity increased with 12 ± 1,6 dB as well as stability of fixation. Preoperative macular sensitivity at 4° , 8° and 10°, separately analyzed, showed a mean baseline sensitivity lower in the central 4°(7,9 ± 2,1 dB), 8°(10,2 ± 1,2 dB) area compared with the peripherical 10° area (11 ± 1,6 dB). Six month after surgery, macular sensitivity showed an higher improvement in the central 4°(11 ± 5,3 dB) , 8° area (12,9 ± 3,5 dB) compared with peripherical 10° area (11,1 ± 1,9 dB). Macular thickness decreased of 290 µm at 6 month of follow up.

Conclusions: : The analysis of retinal sensitivity after surgical removal of idiopathic MER, showed a better improvement in the central macular area compared with the peripherical one probably related with the higher decrease of foveal thickness.

Keywords: vitreoretinal surgery • imaging methods (CT, FA, ICG, MRI, OCT, RTA, SLO, ultrasound) • retina 
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