Cranial mononeuropathy VI is a nerve disorder that causes double vision.
Cranial mononeuropathy VI is damage to the sixth cranial (skull) nerve. This nerve, also called the abducens nerve, helps controls eye movement.
Abducens nerve disorders are often associated with:
In some people, no cause is found.
Because there are common nerve pathways through the skull, the disorder may affect other cranial nerves (such as the third or fourth cranial nerve).