An examination of the eyes may show swelling of the optic disc (papilloedema)
A Lumber Puncture will show the measurement of cerbrospinal fluid to be raised. Normal CSF pressure is 70mm to 200mm. In BIH it is elevated to between 250mm and 600mm.
A CT or MRI scan will be performed to rule out the possibility of a brain tumor.
Visual Field Test. This is performed to determine if the sight has been affected.
