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Anomalous optic disc elevation associated with ultrasonographic evidence of increased subarachnoid fluid
S R Sadda1, C DiBernardo, N R Miller
1Wilmer Ophthalmological Institute, The Johns Hopkins Medical Institutions, Baltimore, Maryland, USA.
Abstract:
The presence of increased subarachnoid fluid around the optic nerve as measured by ultrasound has been shown to be associated with elevated intracranial pressure, as well as a number of other conditions. This finding has proved useful for distinguishing optic disc elevation secondary to papilledema from disc elevation attributable to other causes. This report describes a patient with anomalous optic disc elevation and increased subarachnoid fluid around the optic nerve.