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Related Experiment Video

Updated: Nov 26, 2025

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

Published on: April 21, 2022

Retinal vascular occlusions.

Ingrid U Scott¹, Peter A Campochiaro², Nancy J Newman³

¹Department of Ophthalmology and Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA.

Lancet (London, England)

|December 14, 2020

Summary

Acute retinal vascular occlusions, including artery and vein occlusions, impair vision. While sharing risk factors, their distinct pathophysiology and management require specialized, multidisciplinary care for optimal outcomes.

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Area of Science:

Ophthalmology
Neurology
Cardiology

Background:

Acute retinal vascular occlusions are prevalent causes of vision loss.
Both retinal artery occlusions (RAOs) and retinal vein occlusions (RVOs) are linked to aging and cardiovascular issues.
Despite shared risk factors, RAOs and RVOs exhibit different underlying mechanisms, systemic effects, and treatment strategies.

Purpose of the Study:

To differentiate the pathophysiology, systemic implications, and management of acute retinal artery occlusions versus retinal vein occlusions.
To highlight the distinct roles of specialists in managing these conditions.
To emphasize the importance of systemic risk factor optimization.

Main Methods:

Review of existing literature on retinal vascular occlusions.
Comparative analysis of pathophysiology and clinical presentation of RAOs and RVOs.
Examination of current management guidelines and multidisciplinary care approaches.

Main Results:

Retinal artery occlusions necessitate immediate, multidisciplinary intervention, often involving neurologists due to stroke overlap.
Retinal vein occlusions are primarily managed by ophthalmologists.
Effective management for both involves addressing underlying systemic cardiovascular risk factors.

Conclusions:

Acute retinal vascular occlusions require tailored management based on occlusion type (artery vs. vein).
Collaboration between ophthalmologists, neurologists, and primary care providers is crucial.
Systemic risk factor control is paramount for preventing recurrence and further visual impairment.