Myths and Facts about RVO

FACT: Retinal vein occlusions can have no symptoms, very subtle symptoms or major symptoms. It is important to speak with your eye doctor about any change in your vision. 1
FACT: About 48% of RVOs are caused by high blood pressure, 20% of RVOs are caused by high cholesterol and 5% are caused by diabetes. 2

58% of people with CRVO under age 50 have non-traditional risk factors such as blood clotting disorders and autoimmune disorders. 3


  1. Flaxel CJ, Adelman RA, Bailey ST, et al. Retinal Vein Occlusion Preferred Practice Pattern®. Ophthalmology. 2020;127:P288-P320.
  2. O’Mahoney PRA, Wong DT, Ray JG. Retinal vein occlusion and traditional risk factors for atherosclerosis. Arch Ophthalmol. 2008;126:692-699.
  3. Rothman AL, Thomas AS, Khan K, Fekrat S. Central retinal vein occlusion in young individuals: A comparison of risk factors and clinical outcomes. Retina. 2019;39:1917-1924.

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Scientific Council

Neil M. Bressler, MD

James P. Gills Professor of Ophthalmology
Professor of Ophthalmology, Johns Hopkins University School of Medicine
Wilmer Eye Institute, Johns Hopkins Medicine
Baltimore, MD

A. Paul Chous, MA, OD, FAAO

Specializing in Diabetes Eye Care & Education, Chous Eye Care Associates
Adjunct Professor of Optometry, Western University of Health Sciences
AOA Representative, National Diabetes Education Program
Tacoma, WA

Steven Ferrucci, OD, FAAO

Chief of Optometry, Sepulveda VA Medical Center
Professor, Southern California College of Optometry at Marshall B. Ketchum University
Sepulveda, CA

Julia A. Haller, MD

Wills Eye Hospital
Philadelphia, PA

Allen C. Ho, MD, FACS

Director, Retina Research
Wills Eye Hospital
Professor and Chair of the Department of Ophthalmology
Thomas Jefferson University Hospitals
Philadelphia, PA

Charles C. Wykoff, MD, PhD

Director of Research, Retina Consultants of Houston
Associate Professor of Clinical Ophthalmology
Blanton Eye Institute & Houston Methodist Hospital
Houston, TX

Patient & Caregiver Educational Resources

The RELIEF Patient Toolkit is a resource center for patients who have been diagnosed with or who are interested in learning about Retinal Vein Occlusion (RVO). Choose from the options below to learn more.

This activity is provided by Med Learning Group.
This activity is supported by an independent medical education grant from Regeneron Pharmaceuticals, Inc.

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