Conditions that may affect your balance:

Multifocal glasses: People older than 40 years often need to wear bifocal glasses that may make them feel unsteady, though this is temporary and people adapt to it rather quickly.
Blood supply: A reduction in blood supply to the inner ears causes balance problems. This can be cause of dizziness often associated with other symptoms such as blackouts , loss of sensation and visual problems.

Labyrinthitis and Vestibular Neuritis: In case of a viral infection of the inner ear and nerve. This can cause an imbalance in the information reaching the brain. This can lead to dizziness and one may feel that the world is spinning around. Tinnitus (buzzing/ hissing noise in the ear) and hearing loss may be associated with this.

Meniere's disease: This is caused by changes in the pressure of the fluid in the inner ear which cause sudden bouts of dizziness. The length of these bouts may vary between 30 minutes and several hours and are usually accompanied by nausea and vomiting, as well as hearing loss.

Migraine: This is a very common cause of dizziness and can make you dizzy whether or not you have a headache.

Neck related dizziness: injuries or manipulations by health care professionals can cause dizziness. An operation on ones ear may cause temporary or permanent dizziness.

Position related dizziness: This is very common and one of it's commonest forms is BPPV. This disorder gives short spells of dizziness typically initiated by a change in position. The symptoms clear up naturally in some month's time. There are some specific exercises which have to carried out by balance specialists such as us which aim to correct the problem straight away for most people.