1 Other symptoms of vertigo may include hearing loss and a ringing sensation in the ears, visual disturbances, weakness, difficulty speaking, a decreased level of consciousness, and difficulty walking.  Vertigo is diagnosed by a medical history and physical exam.
A halo is a circle of light that is shown in pictures round the head of a holy figure such as a saint or angel. A halo is a circle of light round a person or thing, or something that looks like a circle of light. The sun had a faint halo round it. She angrily slung a scarf around her head, flattening her halo of hair.
The halo is a device for treatment of unstable cervical and upper thoracic fractures and dislocations from C1 to T3. The halo provides greater motion restriction than any other cervical orthosis. The halo ring is made of graphite or metal, with pin fixation on the frontal and parietal-occipital areas of the skull.