Abducens Nerve Palsy C4551519
Abducens nerve palsy is weakness or paralysis of the nerve controlling outward eye movement. It can affect anyone and typically causes double vision or difficulty looking sideways. Management focuses on treating the root cause and may involve eye patches or surgery.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Facial numbness
Reduced sensation in the face, which may indicate that the abducens nerve palsy is caused by a lesion affecting multiple cranial nerves.
Seek immediate medical attention, as facial numbness alongside eye movement problems may indicate a brain tumor, aneurysm, or stroke.
Severe headache with neck stiffness
Intense headache accompanied by neck rigidity and photophobia, which may suggest meningitis or intracranial hemorrhage as the cause of the palsy.
This is a medical emergency. Seek immediate emergency care, as these symptoms may indicate life-threatening meningitis or subarachnoid hemorrhage.
Horizontal diplopia
(neurologic)Double vision that occurs horizontally, making it difficult to see objects side by side. The diplopia is most noticeable when looking toward the affected side.
Frequency: 90-95% of patients
Inability to abduct eye
(neurologic)Partial or complete paralysis of the lateral rectus muscle, preventing the eye from moving outward toward the temple.
Frequency: 90-95% of patients
Esotropia
(neurologic)Inward turning of the affected eye at rest, giving the appearance of crossed eyes.
Frequency: 85-90% of patients
Compensatory head tilt
(neurologic)Involuntary tilting of the head to the side to reduce double vision and improve visual alignment.
Frequency: 60-70% of patients
Headache
(constitutional)Tension-type headache caused by persistent eye strain and the effort required to compensate for abnormal eye movements.
Frequency: 40-50% of patients
Eye strain and fatigue
(neurologic)Achiness and tiredness around the eyes from the increased effort needed to focus and coordinate vision.
Frequency: 40-50% of patients
Difficulty with depth perception
(neurologic)Impaired ability to judge distances accurately due to misalignment of the eyes and loss of binocular vision.
Frequency: 35-45% of patients
Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Conservative Observation
Watchful waiting with regular ophthalmologic examinations to monitor for spontaneous recovery, particularly in cases of isolated sixth nerve palsy. Many cases resolve spontaneously within 6 months.
Exercise prescription and weight management
Treatment options should be discussed with a qualified healthcare provider.
Patching and Prism Therapy
Occlusion therapy using eye patches to eliminate diplopia combined with prism glasses for visual rehabilitation. This approach helps prevent visual suppression and maintains binocular function.
Additional treatment options
Vascular Risk Factor Management
Aggressive management of vascular risk factors including hypertension, diabetes, and hyperlipidemia when ischemic etiology is suspected. This reduces risk of progression and recurrent events.
medicationStrabismus Surgery
Corrective eye muscle surgery performed when spontaneous recovery fails and significant misalignment persists. The procedure adjusts extraocular muscle tension to restore proper eye alignment.
surgicalOcular Motor Rehabilitation
Specialized eye exercises and visual therapy to improve ocular motility and enhance fusion capabilities. Training focuses on smooth pursuit, saccades, and convergence functions.
physical_therapyWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abducens Nerve Palsy C4551519?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Miller NR, Subramanian PS, Vertic V. Neurology and Clinical Neuro-Ophthalmology of the Cranial Nerves. In: Miller NR, Newman NJ, editors. Walsh & Hoyt's Clinical Neuro-Ophthalmology. 8th ed. Philadelphia: Lippincott Williams & Wilkins; 2022.
Tamhankar MA, Biousse V, Ying GS, et al. Isolated third, fourth, and sixth cranial nerve palsies. Ophthalmology. 2018;125(3):454-463.
American Academy of Ophthalmology. Preferred Practice Pattern: Neuro-Ophthalmology. San Francisco: AAO; 2023.
Kaur K, Gurnani B. Abducens Nerve Palsy. StatPearls. Treasure Island (FL): StatPearls Publishing; 2024.
Liu GT, Volpe NJ, Galetta SL. Neuro-Ophthalmology: Diagnosis and Management. 3rd ed. Elsevier; 2024.
Prasad S, Volpe NJ. Management of acute sixth nerve palsy. J Neuroophthalmol. 2020;40(2):234-241.
Cheng HC, Wu JE, Wang SF. Etiology and prognosis of sixth nerve palsy. Taiwan J Ophthalmol. 2021;11(2):123-132.
International Society for Neuro-Ophthalmology. Guidelines for the evaluation of isolated cranial nerve palsies. ISN Web Site. 2022.
Sahin M, Kocabay G. Imaging strategies in the evaluation of isolated ocular motor cranial nerve palsies: a systematic review. Eye (Lond). 2019;33(10):1565-1577.
Rucker CW. The causes of paralysis of the third, fourth, and sixth cranial nerves. Am J Ophthalmol. 1966;61(5 Part 2):1293-1298.
Medication Comparisons
Compare medications used to treat Abducens Nerve Palsy C4551519. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy