Sixth Nerve Palsy


	ICD10
	ICD9
	ICDO
	Image	Gray785png
	Caption	Figure showing the mode of innervation of the Recti medialis and lateralis of the eye
	OMIM
	MedlinePlus
	EMedicineSubj	oph
	EMedicineTopic	158
	DiseasesDB	2868
	MeshName	Sixth+Nerve+Palsy
	MeshNumber	C10292150

Sixth nerve palsy, or '''abducens nerve palsy''', is a disorder associated with dysfunction of Cranial Nerve VI (the Abducens Nerve ) which is responsible for contracting the Lateral Rectus Muscle to Abduct (i.e. turn out) the Eye . The inability of an eye to turn outward results in Medial Strabismus of which the primary symptom is Double Vision in which the two images appear side-by-side.

The abducens nerve is the most commonly affected ocular Motor Nerve Ehrenhaus, MP. '' Abducens Nerve Palsy. '' eMedicine.com. October 9, 2003..

ALTERNATIVE NAMES

Cranial nerve VI palsy

Cranial Mononeuropathy VI

Lateral rectus palsy

CAUSES

Because the the emerges near the bottom of the Brain , it is often the first nerve compressed when there is any rise in Intracranial Pressure .

Adults

---More common: Vasculopathic ( Diabetes , Hypertension , Atherosclerosis ), Trauma , Idiopathic .

---Less common: Increased Intracranial Pressure , Giant Cell Arteritis , cavernous sinus mass (e.g. Meningioma , Aneurysm , Metastasis ), Multiple Sclerosis , Sarcoidosis / Vasculitis , postmyelography or Lumbar Puncture , Stroke (usually not isolated).

Children

---Benign postviral condition, Gradenigo's Syndrome , Pontine Glioma , trauma.

REFERENCES

"Cranial Mononeuropathy VI", Medline Plus Medical Encyclopedia. {Link without Title}

"Cranial Nerve VI Palsy", ''Handbook of Ocular Disease Management'', 2000 - 2001 Jobson Publishing L.L.C. (2000-2001). {Link without Title}

''The Wills Eye Manual: Office and Emergency Room Diagnosis and Treatment of Eye Disease'', J.B. Lippincott, 1994.

Information About

Sixth Nerve Palsy