The Open Ophthalmology Journal

ISSN: 1874-3641 ― Volume 13, 2019

Foveal Sensitivity and Morphology in Major and Macular Branch Retinal Vein Occlusion

Hidetaka Noma*, 1, Katsunori Shimada 2, Tatsuya Mimura 3
1 Department of Ophthalmology, Yachiyo Medical Center, Tokyo Women’s Medical University, Chiba, Japan
2 Department of Biostatistics, STATZ Institute Inc., Tokyo, Japan
3 Department of Ophthalmology, Medical Center East, Tokyo Women’s Medical University, Tokyo, Japan



To determine whether foveal thickness, foveal volume, visual acuity, and foveal sensitivity after intravitreal injection of triamcinolone acetonide (IVTA) are influenced by the extent of occlusion (major versus macular branch retinal vein occlusion (BRVO)).

Materials and Methodology:

In this interventional case series, 22 eyes of 22 BRVO patients with macular oedema were treated by IVTA. Patients were divided into 2 groups according to the site of occlusion, with the Major group having occlusion of a major retinal vein and the Macular group having occlusion of a macular venule. Foveal sensitivity was measured by microperimetry before IVTA and 3 and 6 months after IVTA. Visual acuity was converted to logarithm of the minimal angle of resolution (logMAR) values. Foveal thickness and macular volume were measured by optical coherence tomography before IVTA and 3 and 6 months after IVTA.


Foveal thickness and foveal volume showed significant improvement from before to 3 and 6 months after IVTA in both groups (all P<0.001). Visual acuity also showed significant improvement from before to 3 and 6 months after IVTA in both groups (P=0.001 and P=0.022, respectively). Moreover, foveal sensitivity was significantly improved from before to 3 and 6 months after IVTA in the Major group (P<0.001). Foveal sensitivity also increased from before to 3 and 6 months after IVTA in the Macular group, but not significantly. There were no significant differences in the trend profiles of foveal thickness, foveal volume, visual acuity, and foveal sensitivity between the Major and Macular groups.


These results suggest that IVTA may be effective for improving foveal morphology, visual acuity, and foveal sensitivity in BRVO patients regardless of the site of occlusion.

Keywords: foveal thickness, foveal sensitivity, triamcinolone acetonide, branch retinal vein occlusion, macular oedema, site of occlusion.

Article Information

Identifiers and Pagination:

Year: 2012
Volume: 6
First Page: 104
Last Page: 109
Publisher Id: TOOPHTJ-6-104
DOI: 10.2174/1874364101206010104

Article History:

Received Date: 17/8/2012
Revision Received Date: 26/10/2012
Acceptance Date: 30/10/2012
Electronic publication date: 30/11/2012
Collection year: 2012

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© Noma et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Ophthalmology, Yachiyo Medical Center, Tokyo Women’s Medical University, 477-96, Owada-shinden, Yachiyo, Chiba 276-8524, Japan; Tel: 81-47-450-6000; Fax: 81-47-458-7047; E-mail:


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