Branch retinal vein occlusion

Branch Retinal Vein Occlusion (pronunciation: bræntʃ rɪˈtæɪnəl veɪn ɒkˈluːʒən) is a medical condition that affects the eye and specifically the retina. It is often abbreviated as BRVO.

Etymology

The term "Branch Retinal Vein Occlusion" is derived from the English language. "Branch" refers to the smaller divisions of a larger structure, in this case, the retinal vein. "Retinal" pertains to the retina, the light-sensitive layer of tissue at the back of the inner eye. "Vein" is a blood vessel that carries blood towards the heart, and "Occlusion" refers to the blockage or closing of a blood vessel.

Definition

Branch Retinal Vein Occlusion (BRVO) is a blockage of the small veins in the retina. This blockage can cause blood and other fluids to build up and prevent the retina from properly filtering light. As a result, vision can be blurred or impaired.

Symptoms

Symptoms of BRVO can include blurred vision, floaters, and a sudden loss of peripheral vision. In some cases, BRVO can lead to macular edema, a condition that causes the macula to swell due to fluid leakage.

Causes

BRVO is often caused by atherosclerosis, where the arteries harden and cause a clot to form in a retinal vein. Other risk factors can include hypertension, diabetes, and glaucoma.

Treatment

Treatment for BRVO can include laser surgery, intravitreal injection of medication, or vitrectomy. The goal of treatment is to prevent further vision loss and, in some cases, to improve vision.

Related Terms

External links

Medical encyclopedia article on Branch retinal vein occlusion
Wikipedia's article - Branch retinal vein occlusion

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