Original articleCorrelation of vitreous attachment and foveal deformation in early macular hole states1
Section snippets
Design
THIS IS A RETROSPECTIVE OBSERVATIONAL CASE SERIES.
Methods
The oct images of 44 eyes of 44 consecutive patients with macular holes or premacular hole states have been seen in our practice for patients with a PPVD. In patients with a full-thickness macular hole, the fellow eye was imaged for changes in the foveal anatomy including the presence of a perifoveal posterior vitreous detachment. In patients with premacular hole states, the ipsilateral eye was imaged. Only one eye / patient was included in the study. Of the 44 patients, 23 had perifoveal
Results
Of the 23 eyes with ppvd, there were 4 with no ob servable abnormality in the foveal contour and the mean diameter of attachment was 1829 μm (standard deviation 1378 μm). Ten eyes had a flattening of the foveal depression and their mean diameter of attachment was 840 μm (standard deviation 508 μm). Nine eyes had a foveal cyst with a mean diameter of attachment of 281 μm (standard deviation 136 μm) (Figure 3). The correlation between the diameter of attachment and the foveal deformation was
Discussion
This study examined the vitreo-foveal interface in patients with optical coherence tomography after first examining their vitreous with fundus biomicroscopy and contact b-scan ultrasonography. We found that there was a significant correlation of increasing foveal deformation in patients with smaller diameters of vitreous attachment.
While the amount of tractional force on the fovea from the vitreous cannot be measured by optical coherence tomography, the stress (force / unit area) acting on the
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From the Vitreous Retina Macula Consultants of New York, LuEsther T. Mertz Retina Research Laboratory, Manhattan Eye, Ear, and Throat Hospital, New York, NY. (Dr. Wong is currently at the Singapore National Eye Centre, Singapore.) The authors have no financial interest in any instrument mentioned in this paper.