Ophthalmodynamometry and Ocular Pneumoplethysmography for Detection of Carotid Occlusive Disease

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Abstract
• The accuracy of ophthalmodynamometry and ocular pneumoplethysmography for predicting pressure-significant lesions of the internal carotid system was compared in a series of 119 consecutive patients (210 arteries) having cerebral angiography. Overall accuracy (92.5%) for ocular pneumoplethysmography was significantly better than that for ophthalmodynamometry (76%). The difference was most apparent in predicting abnormality (85% for ocular pneumoplethysmography and 49% for ophthalmodynamometry), particularly for bilateral lesions (80% for ocular pneumoplethysmography and 37% for ophthalmodynamometry). There were few false-positive results with either test.