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Comparison of choroidal thickness with optical coherence tomography in patients with asymmetric open angle glaucoma

Session Details

Session Title: Imaging II

Session Date/Time: Sunday 29/09/2013 | 08:00-10:00

Paper Time: 09:52

Venue: Hall G1 (Level 2)


Co Author(s):    A. Francoz   T. Martin-Phipps   C. Creuzot-Garcher   A. Bron     

Abstract Details


To investigate whether subfoveal choroidal thickness differs in both eyes of patients with asymmetrical open angle glaucoma.


Department of Ophthalmology, University Hospital, Dijon, France


Patients were included consecutively if they had an asymmetrical open angle glaucoma defined by a mean visual field defect of at least -6 decibels in the most affected eye and a difference between the two eyes of at least 6 decibels. For each patient, subfoveal choroidal thickness was assessed in both eyes by SD-OCT and a complete ocular examination was done.


We included 43 patients (22 males and 21 females) with a mean age of 68 years [46-86]. The mean visual field defects were -15.63 dB (CI95% [-17.79; -13.46]) for the most advanced eyes and -1.44 decibels (CI95% [-2.27; -0.61]) for the fellow eyes (p<0.0001). The mean retinal nerve fiber layer thicknesses were 56 and 79 µm (p<0.0001) and intraocular pressures were 13.4 and 12.6 mmHg (p=0.029) respectively. Axial lengths were 23.32 mm for glaucomatous eyes and 23.24 mm for the fellow eyes (p=0.1155). The mean subfoveal choroidal thickness was 204 µm (CI95% [180; 227]) for the glaucomatous eyes and 222 µm (CI95% [192; 252]) for the fellow eyes. The difference was not statistically significant (p=0.2651).


This study did not show a statistical significant difference between the subfoveal choroidal thickness of the glaucomatous eyes and the fellow eyes in this selected population. In clinical practice, choroidal thickness does not seem to be a risk factor for open angle glaucoma.

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