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Analysis of the vitreomacular interface in a French population-based study (The Montrachet study- maculopathy, optic nerve, nutrition, neurovascular and heart diseases)

Session Details

Session Title: Vitreo Retinal Surgery I

Session Date/Time: Thursday 11/09/2014 | 08:00-10:00

Paper Time: 09:52

Venue: Auditorium

First Author: : J.Bouche-Pillon FRANCE

Co Author(s): :    P. Koehrer   C. Binquet   C. Tzourio   A.M. Bron   C. Creuzot-Garcher  

Abstract Details

Purpose:

To analyse prevalence and distribution of vitreomacular adhesion (VMA) in a french population over 75 years old within MONTRACHET study.

Setting:

Department of Ophthalmology, University Hospital, Dijon, France

Methods:

Three city study (3C) included 9294 subjects aged 65 years or more from three cities (Bordeaux, Dijon and Montpellier) in 1999. After a 10 year follow up, Dijon’s cohort had a complete ophthalmic examination in the MONTRACHET study. Vitreomacular interface (VMI) was analysed with a spectral-domain OCT. VMA of each patient was classified according to the IVTS (International Vitreomacular Traction Study) criteria, defining the presence of vitreomacular adhesion (VMA), vitreomacular traction (VMT) isolated or associated with a foveal distorsion.

Results:

One thousand one hundred fifty three subjects were included in the study, the median age was 84 [79-99] years. Prevalence of vitreomacular adhesion (VMA) was 12.2%. VMA affected both eyes in 28.5% of cases (80 patients). The median size of the diameter of vitreous attachment to the macular surface was 1377 [50-5639] µm. Attachment was focal (≤1500 ųm) for 52.3% of cases (147 eyes) and broad (>1500 ųm) for 47.7% of cases (134 eyes). Prevalence of isolated VMT was 0.9% (22 eyes) and was focal (<1500 µm) for all cases. Prevalence of lamellar holes was 0.6% (13 eyes) and macular pseudoholes was 0.2% (4 eyes). Prevalence of full-thickness macular hole was 0.1% (2 eyes). ARMD (Age Related Macular Degeneration) was associated with VMA in 4 eyes (2.49%).

Conclusions:

The analysis of vitreomacular interface (VMI) is interesting due to the emergence of enzymatic vitreolysis. These results provide new data in old population over 75. These results of MONTRACHET study are the first which analysed and classified VMA with this new classification system of the International Vitreomacular Traction Study Group in a population based study.

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