April 2011
Volume 52, Issue 14
Free
ARVO Annual Meeting Abstract  |   April 2011
Correlation Between The Qualitative And Quantitative State Of The Inner-outer Segment Of The Photoreceptors And The Visual Acuity In Patients With Closed Macular Hole After Surgery
Author Affiliations & Notes
  • Cristina Pujadas Garcia
    ophtalmology, Hospital Vall d'Hebron, Barcelona, Spain
  • MA Zapata Victori
    ophtalmology, Hospital Vall d'Hebron, Barcelona, Spain
  • Carme Macià Badia
    ophtalmology, Hospital Vall d'Hebron, Barcelona, Spain
  • Jose Garcia-Arumi
    Ophtalmology, Hospital Vall D’Hebron, Barcelona, Spain
  • Footnotes
    Commercial Relationships  Cristina Pujadas Garcia, None; MA Zapata Victori, None; Carme Macià Badia, None; Jose Garcia-Arumi, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science April 2011, Vol.52, 2904. doi:
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      Cristina Pujadas Garcia, MA Zapata Victori, Carme Macià Badia, Jose Garcia-Arumi; Correlation Between The Qualitative And Quantitative State Of The Inner-outer Segment Of The Photoreceptors And The Visual Acuity In Patients With Closed Macular Hole After Surgery. Invest. Ophthalmol. Vis. Sci. 2011;52(14):2904.

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

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Abstract
 
Purpose:
 

To evaluate the correlation between the qualitative and quantitative state of the inner-outer segment of the photoreceptors and the long term visual acuity in patients with closed macular hole after surgery.

 
Methods:
 

We studied 22 eyes of 19 patients with surgically closed macular hole with more than a year of follow up. In all patients we performed best corrected visual acuity (Snellen) and a spectral-domain optic coherence last generation tomography (CIRRUS®), 5HD line raster and 512x128 Cube. Qualitative state was considered as normal-altered-absent. Quantitative defect was performed manually by two ophthalmologists; a third reader was used when discrepancy was higher than 10%. We analyze also the demographic characteristics (age and sex) and their influence in the anatomic and functional results. SPSS v15 was used for statistical analysis, using specific non parametric test (U-Mann Whitney test, Kruskal Wallis test and Rho Spearman correlation).

 
Results:
 

We found statistically significant differences between visual acuity and the qualitaty pattern of the IS/OS in the OCT (p = 0,002). Normal BVAC logMar 0,16 vs Altered + pathologic group BVAC logMar 0,6625 (p=0,02), normal + altered BVAC logMar 0,31 vs pathological group BVAC logMar 1,0375 (p=0,04). The quantitative defect was 329,432 µm ± 394,44 in the raster high definition protocol and 387,61 µm ± 452,19 in the Cube protocol. Visual acuity was better in patients with smaller defects of the IS/OS (p < 0,001 in CUBE 512 X128 and p < 0,001 in 5 HD RASTER). There were no difference between age and sex and the characteristic of the IS/OS, we didn’t find also differences between age and sex and the visual acuity.

 
Conclusions:
 

Long term visual acuity after surgically closure of the macular hole is related to the qualitative and quantitative characteristics of the IS/OS. These characteristics could explain the variability of the final visual acuity in these patients. The relevance of the IS/OS segment in the prognostic of the macular hole before the surgery should be studied.

 
Keywords: macular holes • image processing • photoreceptors 
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