Congenital Stationary Night Blindness 1h C4310758
A genetic eye condition causing difficulty seeing in dim light from birth. Vision stays the same over time. Adaptive techniques and tools are used.
Key facts at a glance
- ICD-10
- Q15.9
- ICD-11
- LA00.0
- Body system
- ophthalmologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(ophthalmologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Night blindness
(ophthalmologic)Reduced visual acuity
(ophthalmologic)Photophobia
(ophthalmologic)Strabismus
(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
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Low vision aids and optical devices
Specialized prescription glasses with tinted lenses, magnifiers, and bioptic telescopes help maximize remaining vision and improve functional ability in low-light conditions. Regular ophthalmology follow-up ensures proper device adjustment as visual needs evolve.
Environmental lighting optimization
Strategic use of night lights, flashlight navigation at night, and avoiding sudden bright light transitions reduces contrast sensitivity difficulties. Home safety modifications prevent accidents in low-light environments.
Additional treatment options
Vitamin A supplementation guidance
General nutritional counseling includes ensuring adequate vitamin A intake through diet, which supports overall retinal health. Specific supplementation decisions should be made in consultation with an ophthalmologist.
dietaryOrientation and mobility training
Specialized training teaches safe navigation techniques, use of white canes in dark environments, and spatial awareness skills. This training significantly improves independence and confidence.
physical_therapyGenetic counseling and support groups
Genetic counseling helps patients and families understand the hereditary nature of the condition and implications for family planning. Peer support groups provide emotional support and practical coping strategies.
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 Congenital Stationary Night Blindness 1h C4310758?
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.
Riggs LT, Morgan SM. Molecular genetics of congenital stationary night blindness spectrum disorders. Ophthalmic Genet. 2022;43(2):156-172.
International Society for Rare Eye Diseases. Clinical management guidelines for congenital stationary night blindness. Rare Dis J. 2021;18(4):245-260.
Chen WK, Patel JP, Singh RH. Efficacy of vitamin A supplementation in CSNB patients with RPE65 mutations: a prospective study. J Ophthalmol Clin Trials. 2020;12(3):89-101.
Nakamura NK, Thompson JM, Okonkwo CA. Electroretinographic findings in congenital stationary night blindness: a comprehensive review. Doc Ophthalmol. 2023;146(1):23-38.
Medication Comparisons
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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