Source:http://linkedlifedata.com/resource/umls/id/C0149793
MSH: Transient complete or partial monocular blindness due to retinal ischemia. This may be caused by emboli from the CAROTID ARTERY (usually in association with CAROTID STENOSIS) and other locations that enter the central RETINAL ARTERY. (From Adams et al., Principles of Neurology, 6th ed, p245),NCI: Transient loss of vision in one eye due to retinal ischemia.