Nystagmus is the medical term to describe involuntary eye movements. The eyes may move vertically, horizontally, in circles, or erratically in different directions. Nystagmus affects about 1 in every ...

Nystagmus during vertigo attacks in patients with Meniere disease can be video-recorded with a mobile phone and provide a helpful therapeutic aid, according to a study published online Dec. 12 in the ...

THE hyperventilation syndrome, as seen in anxious, tense persons, is characterized by paresthesia of the extremities and circumoral area, sensations of lightheadedness and altered consciousness and ...

Hyperventilation refers to fast breathing. In some cases, people who hyperventilate may breathe deeper than usual. Hyperventilation may occur due to an underlying condition or emotional distress. A ...