Posters

Modern visualization of the vitreomacular interface

Poster Details

First Author: V.Salavatova RUSSIA

Co Author(s):    M. Bikbov   R. Fayzrakhmanov   A. Zaynetdinov   R. Zainullin   M. Kalanov                 

Abstract Details



Purpose:

To analyze morphological and functional parameters of the vitreomacular interface in normal and pathological conditions of the сentral zone of the retina.

Setting:

Ufa Eye Research Institute, Ufa, Russia

Methods:

We examined 41 patients (67 eyes) aged between 30 to 70 years. According to optical coherence tomography (OCT) the patients were divided into two groups: 1st group - 54 eyes with no retinal pathology; group 2 - 13 eyes with macular pathology and paramacular region on the background of 'wet' age-related macular degeneration. All patients in addition to general ophthalmic examination of both eyes underwent optical imaging of the central retina using the DRI OCT Triton (Topcon, Japan) providing analysis in the mode of a swept-source OCT. The mode Line (H) 12,0 mm was used for examination of the posterior precortical vitreous pocket (PPVP). The total thickness of the retina and the height of the PPVP were analyzed in steps of 1200 μm in 3 vertical scans centreed on the foveola, and the greatest width of the PPVP were analyzed in all cases.

Results:

In group 1 the height of PPVP in the macula was 493,20±187,82 µm, in the second group - 390,81±142,78 µm (p = 0,686); height from the medial side at a distance of 1200 µm from the fovea in the 1st group was equal to 400,06± 169,29 µm, in the second group - 357.00± 115,04 µm (p = 0,165); the height from the lateral side at a distance of 1200 µm from the fovea in the 1st group was equal to 374.00± 173,14 µm, in the second group - 312,81± 100,49 µm (p = 0,483). In group 1 the width of PPVP was 6901,77±956,46 µm, in the second group - 7120,23±1194,57 µm (p = 0,508). It is revealed that the height of PPVP at all points of measurement tends to decrease in the pathology of macular and paramacular region, which indicates the change of the configuration of the vitreous body in the pathological process in the retina.

Conclusions:

It is revealed that the height of PPVP at all points of measurement tends to decrease in the pathology of macular and paramacular region, which indicates the change of the configuration of the vitreous body in the pathological process in the retina.

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