Cranial mononeuropathy III; Diabetic type

Definition:

A disorder involving vision changes and eyelid drooping, associated with decreased function of cranial nerve III as a complication of diabetes mellitus.

Causes, incidence, and risk factors:

Cranial mononeuropathy III; diabetic type is a mononeuropathy (damage to a single nerve). It involves the 3rd cranial (oculomotor) nerve, one of the cranial nerves that controls eye movement. Damage is usually associated with diabetic neuropathy.