Retinal vein occlusion
Retinal Vein Occlusion
Retinal vein occlusion (RVO) is a pathological condition of the eye where blockage occurs in the retinal veins that carry blood away from the retina. This blockage can lead to severe and sudden vision loss.
Causes[edit | edit source]
The primary cause of RVO is a thrombus or blood clot that forms in the retinal vein. Other contributing factors may include hypertension, diabetes, atherosclerosis, and certain blood disorders.
Symptoms[edit | edit source]
Symptoms of RVO can include sudden, painless vision loss or distortion, floaters, and a noticeable loss of side (peripheral) vision.
Diagnosis[edit | edit source]
Ophthalmologists typically diagnose RVO through a comprehensive eye examination, which may include fundus photography, fluorescein angiography, and optical coherence tomography.
Treatment[edit | edit source]
Treatment options for RVO can include laser therapy, intravitreal injection of anti-VEGF drugs, and corticosteroids. In some cases, vitrectomy may be necessary.
See also[edit | edit source]
- Central retinal vein occlusion
- Branch retinal vein occlusion
- Retinal artery occlusion
- Retinal diseases
References[edit | edit source]
External links[edit | edit source]
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Contributors: Prab R. Tumpati, MD
