Skip to content

Abnormal Amplitude Of Dark Adapted Dim Flash Electroretinogram C4072966

Published: July 22, 2026Updated: August 26, 2026

An abnormal result on an eye test measuring retinal response to dim light. This can indicate retinal dysfunction and typically requires additional eye testing for proper diagnosis.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 2026Editorial policy

Key facts at a glance

ICD-10
Q15.9
ICD-11
LA00.0
Body system
ophthalmologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Night blindness

(ophthalmologic)

Reduced peripheral visual field

(ophthalmologic)

Delayed dark adaptation

(ophthalmologic)

Photophobia

(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

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Ophthalmologic monitoring

Regular comprehensive eye examinations including serial electroretinography to track progression of retinal dysfunction and guide treatment decisions.

monitoring
3

Retinal support nutrition

Supplementation with vitamin A, omega-3 fatty acids, and antioxidants to support retinal cell function and slow degenerative changes.

dietary

Additional treatment options

Etiology-directed pharmacotherapy

Treatment based on underlying cause such as immunosuppressants for autoimmune retinopathy or specific agents for metabolic disorders affecting the retina.

medication

UV and blue light protection

Use of specialized sunglasses and blue light filtering lenses to reduce oxidative stress on photoreceptor cells and slow retinal degeneration.

lifestyle

Diagnostic electroretinography reassessment

Repeat ERG testing under standardized conditions to confirm abnormality, assess progression, and evaluate response to interventions.

procedure

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 Amplitude Of Dark Adapted Dim Flash Electroretinogram C4072966?

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

Hood DC, Bach M, Brigell MG, et al. ISCEV standard for clinical electroretinography. Doc Ophthalmol. 2022.

review2022
2

American Academy of Ophthalmology. Preferred Practice Pattern for Retinal and Choroidal Disorders. Ophthalmology. 2021.

guideline2021
3

Sparing M, Jarczok M, Hildebrandt H. Clinical validation of dark-adapted ERG parameters in retinal disease. Invest Ophthalmol Vis Sci. 2020.

clinical_trial2020
4

Kellner U, Kellner S, Weinitz S. Modern diagnostic approaches to inherited retinal dystrophies. Surv Ophthalmol. 2019.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Abnormal Amplitude Of Dark Adapted Dim Flash Electroretinogram C4072966. 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 26, 2026. · Read our editorial policy