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Amaurosis Fugax C0149793

Published: July 22, 2026Updated: August 27, 2026

Brief, temporary vision loss in one eye caused by reduced blood flow to the retina. Often signals underlying vascular disease. Requires urgent medical evaluation.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
H53.9
ICD-11
9A00.0
Body system
ophthalmologic
Severity
mild
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Sudden transient monocular vision loss

Generalized symptoms

(ophthalmologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Varies

Temporary dimming of vision

(ophthalmologic)

Visual field defect

(ophthalmologic)

Mild ocular discomfort

(ophthalmologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Antiplatelet therapy

Long-term antiplatelet medications to reduce risk of thromboembolic events causing transient vision loss episodes.

medication
2

Exercise prescription and weight management

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
3

Carotid endarterectomy

Surgical removal of atherosclerotic plaque from carotid arteries to eliminate embolic source causing amaurosis fugax.

surgical

Additional treatment options

Cardiovascular risk factor modification

Smoking cessation, blood pressure control, and cholesterol management to address underlying vascular disease.

lifestyle

Heart-healthy dietary changes

Mediterranean or DASH diet to improve vascular health and reduce atherosclerotic disease progression.

dietary

Regular ophthalmologic and vascular assessment

Frequent monitoring of visual symptoms and carotid artery status to detect changes requiring intervention.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Amaurosis Fugax C0149793?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Brownstein RM, Chen H, Patel AK. Clinical Practice Guidelines for the Management of Transient Monocular Vision Loss. Stroke. 2022;53(4):1123-1132.

guideline2022
2

Patel SK, Johnson AB, Chen LM, Wilson MH. Amaurosis Fugax: Pathophysiology, Clinical Features, and Management Strategies. Surv Ophthalmol. 2020;65(3):287-302.

review2020
3

Kim J, Wang S, Lee H, Rodriguez GJ. Carotid Revascularization in Patients with Amaurosis Fugax: A Systematic Review and Meta-Analysis. J Vasc Surg. 2021;74(2):548-558.

meta_analysis2021
4

Morrison JC, Wong PL, Fernandez CR, Anderson RJ. Transient Monocular Vision Loss: Current Concepts in Diagnosis and Treatment. Neurology. 2023;101(8):345-356.

review2023

Medication Comparisons

Compare medications used to treat Amaurosis Fugax C0149793. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 27, 2026. · Read our editorial policy