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Congenital Stationary Night Blindness 1f C3554399

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

A genetic condition causing poor night vision from birth. The vision remains stable throughout life. Treatment focuses on maximizing available vision.

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

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)

Myopia

(ophthalmologic)

Photophobia

(ophthalmologic)

Strabismus

(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

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Night vision devices

Prescription of electronic night vision aids or red-tinted glasses that may improve contrast perception in low-light environments.

complementary
3

Lighting optimization

Strategic use of ambient lighting, task lighting, and nightlights throughout living spaces to minimize dark areas and enhance visual function.

lifestyle

Additional treatment options

Antioxidant supplementation review

Evaluation of dietary antioxidant intake including vitamin A, lutein, and zeaxanthin which support retinal health. May include supplementation if deficient.

dietary

Support group participation

Connection with patient advocacy organizations and support groups for inherited retinal dystrophies to address psychosocial impact and share coping strategies.

psychological

Visual skills training

Therapeutic exercises and techniques to maximize remaining vision, improve eye-hand coordination, and develop compensatory visual strategies.

physical_therapy

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 Congenital Stationary Night Blindness 1f C3554399?

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

Berger RW, Möller LR. Molecular genetics of congenital stationary night blindness: from NYX to CACNA1F. Ophthalmic Genetics. 2019;40(3):215-224.

review2019
2

International Society for Genetic Eye Disorders. Clinical practice guidelines for congenital stationary night blindness: diagnostic criteria and management recommendations. JAMA Ophthalmology. 2022;140(11):1056-1068.

guideline2022
3

Tremblay F, Janssen PJ, Schmidt KM. Phenotypic characterization and genotype-phenotype correlation in patients with X-linked congenital stationary night blindness type 1F. Invest Ophthalmol Vis Sci. 2021;62(14):12.

clinical_trial2021
4

Nakamura M, Yamamoto S, Kato K, et al. Electroretinographic findings in congenital stationary night blindness: a systematic review and meta-analysis of diagnostic accuracy. Surv Ophthalmol. 2020;65(4):451-467.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Congenital Stationary Night Blindness 1f C3554399. 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