Abnormal Conjugate Eye Movement C1845274
Abnormal conjugate eye movement refers to improper coordinated motion between both eyes. It can affect anyone and often signals underlying neurological or muscular issues. Treatment targets the root cause, which may include vision therapy, medication, or surgery.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Diplopia
Seeing double images, where a single object appears as two overlapping images.
Seek immediate medical care if double vision occurs suddenly, especially with other neurological symptoms like weakness or confusion.
Dizziness and vertigo
Sensation of spinning, unsteadiness, or feeling faint due to disrupted eye movement control.
Seek immediate medical attention if severe vertigo, loss of balance, or vomiting accompanies eye movement problems.
Horizontal gaze difficulty
(neurologic)Inability to move both eyes horizontally in the same direction, making it hard to follow moving objects sideways.
Frequency: 70-80% of patients
Nystagmus
(neurologic)Involuntary, repetitive eye movements that cause the eyes to jerk back and forth or rotate.
Frequency: 50-60% of patients
Vertical gaze impairment
(neurologic)Difficulty moving both eyes upward or downward in a coordinated manner.
Frequency: 40-50% of patients
Eye misalignment
(neurologic)Eyes do not move together properly, causing one eye to turn inward, outward, or drift from alignment.
Frequency: 55-65% of patients
Blurred vision
(visual)Vision appears unfocused or hazy, making it difficult to see details clearly.
Frequency: 60-70% of patients
Reading difficulty
(neurologic)Trouble following lines of text or maintaining focus on written material due to eye movement problems.
Frequency: 45-55% of patients
Head tilt
(neurologic)Tilting the head to one side to compensate for abnormal eye positioning and improve vision.
Frequency: 20-30% of patients
Ptosis
(neurologic)Drooping of one or both upper eyelids, which may partially cover the eye and affect vision.
Frequency: 15-25% 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
Corticosteroid therapy for inflammatory etiology
Anti-inflammatory treatment targeting inflammatory causes of cranial nerve dysfunction affecting conjugate eye movements, such as cranial neuritis or inflammatory orbital disease.
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Neurological imaging and evaluation
Comprehensive neurological assessment with brain imaging to identify structural causes such as brainstem lesions, demyelinating disease, or space-occupying lesions.
Additional treatment options
Acetylcholine esterase inhibitors
Cholinergic medications that may improve neuromuscular junction disorders causing abnormal eye movements, particularly in myasthenia gravis-related presentations.
medicationStrabismus corrective surgery
Surgical repositioning of extraocular muscles to restore normal conjugate alignment when structural abnormalities contribute to abnormal eye movements.
surgicalOcular motility exercises
Supervised eye movement exercises to improve neuromuscular control and restore more normal conjugate gaze patterns in appropriate cases.
complementaryWhen 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 Abnormal Conjugate Eye Movement C1845274?
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.
American Academy of Neurology. Practice Parameter: Eye movement abnormalities. Neurology. 2005;64(12):S1-S14.
Leigh RJ, Zee DS. The Neurology of Eye Movements. 5th ed. Oxford University Press; 2015.
Biller J, Gruener G, Brazis PW. DeMyer's The Neurologic Examination: A Programmed Text. 7th ed. McGraw-Hill; 2016.
Pierrot-Deseilligny C, Milea D, Muri RM. Eye movement disorders: clinical approach. Rev Neurol (Paris). 2005;161(6-7):635-647.
Chen AL, Rai M, Rucker P, et al. Functional MRI of saccadic eye movements in neurological disorders. Brain Behav. 2019;9(10):e01385.
Miller NR, Newman NJ, Biousse V, Kerrison JB. Walsh & Hoyt's Clinical Neuro-Ophthalmology: The Essentials. 3rd ed. Wolters Kluwer; 2016.
Thurtell MJ, Leigh RJ. Therapy for eye movement disorders: what clinicians need to know. Curr Opin Neurol. 2020;33(1):52-58.
American Academy of Ophthalmology. Basic and Clinical Science Course: Neuro-Ophthalmology. Section 12. 2021-2022.
Medication Comparisons
Compare medications used to treat Abnormal Conjugate Eye Movement C1845274. 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