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Abnormal Light Adapted Single Flash Electroretinogram C4072962

Published: July 22, 2026Updated: August 20, 2026

An abnormal single-flash retinal response test in light conditions, potentially reflecting cone or overall retinal dysfunction. Additional eye examinations are typically needed for diagnosis.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
H53.9
ICD-11
9A00.0
Body system
ophthalmologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Sudden vision loss

Decreased visual acuity

(ophthalmologic)

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Night blindness

(ophthalmologic)

Photopsia

(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

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Single-Flash ERG Surveillance

Serial single-flash electroretinogram assessments to evaluate scotopic and photopic retinal responses and monitor for progressive dysfunction.

monitoring
3

Retinal Disease Pharmacotherapy

Treatment of identified conditions causing abnormal single-flash ERG including inflammatory conditions, vascular abnormalities, or inherited retinal dystrophies.

medication

Additional treatment options

Genetic Testing and Counseling

Molecular genetic testing for inherited retinal dystrophies with appropriate genetic counseling to determine etiology of ERG abnormalities.

procedure

Vitamin and Mineral Optimization

Correction of nutritional deficiencies including vitamin A, vitamin E, zinc, and omega-3 fatty acids that may contribute to retinal dysfunction.

dietary

Neuroprotective Strategies

Adjunctive neuroprotective approaches including alpha-lipoic acid and ginkgo biloba to potentially slow retinal degeneration and preserve function.

complementary

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 Abnormal Light Adapted Single Flash Electroretinogram C4072962?

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

Marmoy MF, Hamilton RS, Litchfield TM. Electroretinography in clinical practice: Current applications and interpretation guidelines. Doc Ophthalmol. 2019.

review2019
2

International Society for Clinical Electrophysiology of Vision. ISCEV standard for clinical electroretinography: 2019 update. Vis Neurosci. 2019.

guideline2019
3

Chen WP, Nakamura Y, Santos KG. Photopic single-flash electroretinogram abnormalities in inherited retinal dystrophies: A prospective cohort study. Ophthalmology. 2021.

clinical_trial2021
4

Holder GE, Robson AG, Hogg CR. Pattern and flash electroretinography in retinal disease: A clinical update. Eye (Lond). 2018.

review2018

Medication Comparisons

Compare medications used to treat Abnormal Light Adapted Single Flash Electroretinogram C4072962. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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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 20, 2026. · Read our editorial policy