Retinal vasculitis
The retina is the portion of the eye that contains the nerves of sensation that perceive light. It is also filled with tiny blood vessels. Vasculitis of the eye is typically the result of inflammation of the tiny blood vessels of the retina. This form of vasculitis is referred to as retinal vasculitis. Retinal vasculitis ranges in severity from mild to severe. Damage to the blood vessels of the retina can cause minimal, partial, or even complete blindness. Retinal vasculitis by itself is painless, but many of the diseases that cause retinal vasculitis can also cause inflammation elsewhere (as in the joints) which may be painful. Signs of retinal vasculitis can be observed by the doctor using an ophthalmoscope in the office. Further definition of the blood vessel condition can be determined by a special x-ray dye test (angiogram) of the retina. Diseases which cause retinal vasculitis include Behcet's disease, systemic lupus erythematosus, antiphospholipid antibody syndrome, systemic necrotizing vasculitis, Wegener's granulomatosus, Takayasu's vasculitis, and giant cell arteritis.

Medical dictionary. 2011.

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