Meniere's Disease Support Group
Meniere's disease is a balance disorder of the inner ear. The symptoms of Meniere's are variable; not all sufferers experience the same symptoms. However, "classic Meniere's" is considered to comprise the following four symptoms: Periodic episodes of rotary vertigo, hearing loss, tinnitus, and a sensation of fullness or pressure in one or both ears.
You are describing what I had a few years ago, except it was the students in my classroom, sitting in their desks.... I'd watch them slide over and move back, slide over and move back.... I would sit down and teach....