The interest of physicians in focal ischemic cerebrovascular disease has expanded rapidly in the past decade. This is in part due to a better definition of the individual syndromes,1 a more thorough understanding of the pathologic processes involved, particularly the fact that many instances of cerebral ischemia are due to obstruction of the extracranial circulation,2,3 and the often dramatic response to therapy, either medical or surgical.4-6The ophthalmic aspects of vascular insufficiency are common and widely recognized.1,7,8 While the diagnosis may be strongly suspected by a careful study of the history and clinical findings, the reintroduction of ophthalmodynamometry has provided the ophthalmologist with objective findings which are quite useful in the support of the clinical impression. However, the value of the ophthalmodynamometric test has been noted to vary with different observers. The accuracy of ophthalmodynamometry in large series of patients with carotid occlusive disease has
PEMBERTON JW, BRITTON WA. The Arm-Retina Circulation Time. Arch Ophthalmol. 1964;71(3):364–370. doi:10.1001/archopht.1964.00970010380012
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