Anti-VEGF Therapy for Retinal Vein Occlusion

Lisa Marie Danzmann, Amelie Pielen, Anna Bajor


Current recommendations for treatment of macular edema secondary to BRVO or CRVO favour intravitreal anti-VEGF agents compared to intravitreal steroids. An upload of 3 injections is reasonable to address intravitreal VEGF levels. Prognosis for visual improvement is good and time to treatment is crucial. There is evidence that an early targeted laser photocoagulation of ischemic areas may lead to additional treatment effects, less injections and improved prognosis if administered early after RVO. In the course of the disease patients must be frequently monitored for recurrence of edema to initiate re-treatment and for conversion to ischemic RVO. Ischemia, proliferations and rubeosis iridis must not be treated with intravitreal anti-VEGF alone. Laser treatment of peripheral retina remains the standard-of-care to treat ischemia.

In this article we review up-to-date information on intravitreal anti-VEGF therapy in RVO, international guidelines, safety and efficacy of treatment. We discuss new insights on factors that may improve prognosis or burden of intravitreal treatment. And we discuss the role of ischemia in RVO.

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