embolism of an artery of the retina.
Farlex Partner Medical Dictionary © Farlex 2012
Obstruction of a retinal artery or arteriole by a clot (embolus), which may result in atrophy or blindness in the area of the retina affected. See retinal arterial occlusion.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann