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J L Zuckerman, K D Taylor, H J Grossman; Noncontact detection of ocular pulse--correlation with carotid stenosis.. Invest. Ophthalmol. Vis. Sci. 1977;16(11):1018-1024.
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Differences in ocular pulses from both eyes are well known to be associated with pathology; correlation of ocular pulse amplitude with the degree of carotid stenosis is made by a new method. Detection of ocular pulse is done by noncontact air-propagated ultrasound. Experimental results with dogs show detection of 10 to 15% carotid stenosis. By this method, one can screen for potential stroke in its incipient stages.
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