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Abstract
Abstract
Contact-lens Dynamometry
Trojan H. J.
Marburg
Arterial hypertension is considered a central risk factor for myocardial infarction and stroke. An additional risk is posed by the high number of unreported cases. As is well known, the special position of the ophthalmologist in vascular diagnosis is based on the opportunity he has to examine, in vivo, vessels in the ocular fundus. To date this examination has been restricted to vascular morphology. It is, however, possible to measure intravascular pressure as well, a procedure known as ophthalmodynamometry. In collaboration with the Fraunhofer Institute for Biomedical Technique in St. Ingbert an ophthalmologist has developed an amazingly straightforward dynamometric procedure. A Goldmann three mirror lens, which is normally used to examine the ocular fundus, was equipped with sensors so that it is possible to measure blood pressure in the vessels of the retina and optic nerve while performing a normal examination. As the central vein runs for some millimetres within the optic nerve it is also possible to determine intracranial pressure using this procedure in a way that is non-invasive.