Changes in the structural parameters of the optic disc and nerve fiber layer using swept-source technology in patients with central retinal vein occlusion

Session Details

Session Title: Free Paper Session 24: Vascular Diseases & Diabetic Retinopathy VII

Session Date/Time: Sunday 10/09/2017 | 10:00-11:30

Paper Time: 10:54

Venue: Room 117

First Author: : V.Salavatova RUSSIA

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

Abstract Details


To examine the structural features of the optic disc and nerve fiber layer in patients with central retinal vein occlusion using swept-source technology.


Ufa Eye Research Institute, Ufa, Russia


The study included 10 patients (10 eyes) who were divided into 2 groups: group A – 5 patients (5 eyes) with no retinal pathology, group B – 5 patients (5 eyes) with diagnosed central retinal vein occlusion. Standard ophthalmic examination and optical coherence tomography were performed in all cases using a swept-source system (SS-OCT) DRI OCT Triton Plus (Topcon, Japan). The study of the optic nerve head was carried out in the modes of 3D Disc (6.0*6.0 mm), 3D Wide (H) (12.0*9.0 mm).


A comparative analysis of the thickness of the nerve fiber layer was conducted by sectors. Numbers of sectors correspond to the location of the clock dial. In group B an increasing tendency was revealed in sectors 1, 3, 4, 8-12. The greatest differences in thickness of the nerve fiber layer in groups A and B were observed in sector 3: 68,60 ± 6,10 and 72,80 ± 8,13 µm (p = 0.039), in sector 8 - 70,80 ± 6.94 and 93,80 ± 27,87 µm (p = 0,130), and in sector 9 - 62,20 ± 6,68 and 100,20 ± 42,15 µm (p = 0,138), respectively. The tendency to decrease of the neuroretinal rim area, as well as to increase in the volume of optic nerve disc excavation has been revealed in patients with central retinal vein occlusion.


It has been established that in the case of central retinal vein occlusion, both the macular area and the optic nerve disk are affected. Therefore, it is necessary to conduct a more thorough study of the central area, that gives an opportunity to estimate the direction of the process.

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