X Linked Congenital Stationary Night Blindness Cn043584
An inherited eye condition causing difficulty seeing in low light from birth. Vision during daylight typically remains stable. Low-vision aids and regular eye care help manage the condition.
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 (nyctalopia)
(ophthalmologic)Reduced visual acuity under low light conditions
(ophthalmologic)Photophobia in bright environments
(ophthalmologic)Mild 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
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Low Vision Aid Prescription
Provision of specialized optical devices including bioptic telescopes, magnifying aids, and enhanced lighting to maximize functional vision during nighttime and low-light conditions.
Environmental Modifications
Implementation of home and work environment adaptations including night lights, contrasting colors, and safety measures to reduce accident risk during reduced visibility.
Additional treatment options
Genetic Counseling
Comprehensive genetic counseling services to explain inheritance patterns, discuss recurrence risks, and provide information about available family planning options.
procedureOphthalmologic Follow-up
Regular comprehensive eye examinations to monitor for any progressive changes in visual function and assess for associated ocular conditions.
monitoringPsychosocial Adjustment Support
Counseling services to address adjustment challenges, anxiety related to night blindness, and strategies for maintaining independence and quality of life.
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 X Linked Congenital Stationary Night Blindness Cn043584?
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.
Khan MA, Richardson R, Thompson DA. Molecular mechanisms of X-linked congenital stationary night blindness. Ophthalmic Genet. 2020.
American Academy of Ophthalmology. Preferred Practice Pattern: Inherited Retinal Dystrophies. Ophthalmology. 2022.
Schulz HL, Mayer C, Baumann B, et al. Clinical and electrophysiological characterization of X-linked CSNB: prospective observational study. JAMA Ophthalmol. 2019.
Berger WR, Jarczewski T, Gal A. Genetics of congenital stationary night blindness. In: Retinal Disease: Molecular Genetics and Therapeutic Approaches. Elsevier; 2021.
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