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Curr Eye Res. 2008 Feb;33(2):111-31. doi: 10.1080/02713680701851902.

Branch retinal vein occlusion: pathogenesis, visual prognosis, and treatment modalities.

Author information

1
Department of Ophthalmology, University Hospital, Palacky University, Olomouc, Czech Republic. jiri.rehak@ocniklinikaol.cz

Abstract

In branch retinal vein occlusion (BRVO), abnormal arteriovenous crossing with vein compression, degenerative changes of the vessel wall and abnormal hematological factors constitute the primary mechanism of vessel occlusion. In general, BRVO has a good prognosis: 50-60% of eyes are reported to have a final visual acuity (VA) of 20/40 or better even without treatment. One important prognostic factor for final VA appears to be the initial VA. Grid laser photocoagulation is an established treatment for macular edema in a particular group of patients with BRVO, while promising results for this condition are shown by intravitreal application of steroids or new vascular endothelial growth factor inhibitors. Vitrectomy with or without arteriovenous sheathotomy combined with removal of the internal limiting membrane may improve vision in eyes with macular edema which are unresponsive to or ineligible for laser treatment.

PMID:
18293182
PMCID:
PMC2430176
DOI:
10.1080/02713680701851902
[Indexed for MEDLINE]
Free PMC Article

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