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Updated: Sep 16, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
Published on: August 4, 2018
Hemispheric retinal branch vein occlusions
Insights
Hemispheric retinal branch vein occlusion (HRBVO) is a distinct condition. Identifying HRBVO is crucial due to its association with glaucoma and specific visual prognosis.
Area of Science:
- Ophthalmology
- Retinal Vascular Diseases
- Glaucoma Research
Background:
- Retinal branch vein occlusions (RBVO) are common vascular events.
- Distinguishing subtypes of RBVO is essential for accurate diagnosis and management.
- Hemispheric retinal branch vein occlusion (HRBVO) represents a specific pattern of RBVO.
Purpose of the Study:
- To retrospectively analyze cases of hemispheric retinal branch vein occlusion (HRBVO).
- To identify key differentiating features of HRBVO compared to other branch vein occlusions.
- To highlight the clinical significance of HRBVO in ophthalmological practice.
Main Methods:
- Retrospective review of medical records.
- Identification of nine HRBVO cases from a larger cohort of 94 RBVO cases.
- Analysis of clinical characteristics, including glaucoma incidence and disc collaterals.
Main Results:
- Nine cases of HRBVO were identified.
- HRBVO cases showed a high incidence of simple chronic glaucoma.
- Presence of vein-vein disc collaterals was noted in HRBVO cases.
Conclusions:
- Hemispheric retinal branch vein occlusion (HRBVO) requires specific consideration.
- The high prevalence of glaucoma and presence of disc collaterals are key features of HRBVO.
- Accurate differentiation of HRBVO impacts visual prognosis and patient management.
Abstract:
Nine cases of hemispheric retinal branch vein occlusion (HRBVO) are discussed retrospectively after identification from among 94 cases of branch vein occlusion. The high incidence of simple chronic glaucoma (close to that found in central vein occlusion cases), the presence of vein-vein disc collaterals and the visual prognosis make it important to distinguish HRBVO cases from other branch vein occlusions.
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