Ribbon-shaped defect of the visual fields caused by the retinal vessels overlying photoreceptors. ... Origin: angio-+ G. Skotoma, dizziness, vertigo ... (05 Mar 2000) ... 
(an″je-o-sko-to´mә) a defect in the visual field caused by the shadow of the retinal blood vessels.
Type: Term Pronunciation: an′jē-ō-skō-tō′mă Definitions: 1. Ribbon-shaped defect of the visual fields caused by the retinal vessels overlying photoreceptors.
angioscotoma 1. Scotoma caused by shadows of blood vessels in the retina of the eye. 2. The very fine, linear field defects produced by the retinal blood vessels. 3. A cecocentral scotoma caused by shadows of the retinal blood vessels.