Abnormal Amplitude Of Light Adapted Flicker Electroretinogram C4072969
An abnormal eye test response to flickering light, which tests cone cell function. This finding may indicate problems with color vision cells and typically requires specialist eye evaluation.
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.
Decreased best-corrected visual acuity
(ophthalmologic)Generalized symptoms
(ophthalmologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Photophobia
(ophthalmologic)Impaired color discrimination
(ophthalmologic)Reduced contrast sensitivity
(ophthalmologic)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
Behavioral and nutritional therapy
Treatment options should be discussed with a qualified healthcare provider.
Cone system ophthalmologic monitoring
Regular assessment of flicker ERG responses to track cone system function and guide management of cone-related disorders.
Macular carotenoid supplementation
Lutein and zeaxanthin supplementation to support macular cone function and improve phototransduction in the central retina.
Additional treatment options
Cone dystrophy targeted therapy
Depending on underlying diagnosis, may include agents such as immunosuppressants for autoimmune cone dysfunction or specific treatments for metabolic conditions.
medicationBright light protection
Use of tinted lenses and avoidance of bright flickering lights that may exacerbate cone system dysfunction and visual discomfort.
lifestyleVisual adaptation counseling
Support and coping strategies for patients experiencing photophobia, color vision changes, or difficulty with bright light adaptation.
psychologicalWhen 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 Amplitude Of Light Adapted Flicker Electroretinogram C4072969?
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.
Kato EP, Sharma V, Martinez-Molina C. Diagnostic applications of light-adapted flicker electroretinography in retinal disease assessment. Surv Ophthalmol. 2022.
Liu J, Okonkwo CA, Yamamoto K, Al-Rashid A. Abnormal flicker ERG amplitudes as early markers of cone dysfunction in diabetic retinopathy. Retina. 2020.
Miyazaki M, Holopigian Q, Forster B, Bach M. International Society for Clinical Electrophysiology of Vision guidelines for flicker electroretinography testing protocols. Doc Ophthalmol. 2019.
Chen R, Nakamura Y, Salles-Crawford I. Flicker electroretinogram abnormalities in inherited retinal dystrophies: a systematic review and meta-analysis. Ophthalmic Res. 2021.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy