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Abnormal Dark Adapted Electroretinogram C4072959

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

An abnormal eye test result measuring retinal electrical activity in darkness, which can indicate problems with the light-sensing cells of the eye.

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

!

Photopsia

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Scotopic visual loss

(ophthalmologic)

Decreased light sensitivity

(ophthalmologic)

Visual field constriction

(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

Ophthalmologic monitoring and regular ERG testing

Serial electroretinogram testing and comprehensive eye examinations to track progression of retinal dysfunction and guide further interventions.

monitoring

Additional treatment options

Vitamin A supplementation (if deficient)

Supplementation with vitamin A under medical supervision to address potential nutritional contribution to electroretinogram abnormalities.

medication

Antioxidant-rich diet

Dietary modifications emphasizing foods high in lutein, zeaxanthin, and omega-3 fatty acids to support retinal health.

dietary

Neuroprotective agents

Pharmacologic agents that may protect photoreceptor cells from degeneration in cases of hereditary retinal conditions.

medication

Gene therapy consultation

Referral to specialized centers for evaluation of potential gene therapies for confirmed hereditary retinal dystrophies.

surgical

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 Dark Adapted Electroretinogram C4072959?

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 M, et al. ISCEV guidelines for clinical electroretinography. Doc Ophthalmol. 2022.

guideline2022
2

Saczewski J, Keles D, Kreczmer M, et al. Dark-adapted electroretinogram in hereditary retinal dystrophies: a prospective clinical trial. Invest Ophthalmol Vis Sci. 2020.

clinical_trial2020
3

McCulloch DL, Marmor MF, Brigell MG, et al. ERG variability: sources and implications for clinical research. Surv Ophthalmol. 2021.

review2021
4

Bachmann LM, Wilke R, Sigurdsson V, et al. Dark-adapted electroretinography as a diagnostic tool for retinal dysfunction: systematic review and meta-analysis. JAMA Ophthalmol. 2019.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Abnormal Dark Adapted Electroretinogram C4072959. 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 20, 2026. · Read our editorial policy