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Adult Onset Night Blindness C4024790

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

Difficulty adapting to low-light conditions that emerges in adulthood. It may stem from underlying eye conditions or nutritional deficiencies; treatment focuses on addressing the underlying cause.

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
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Difficulty seeing in low light

(ophthalmologic)

Generalized symptoms

(ophthalmologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Slow dark adaptation

(ophthalmologic)

Decreased peripheral vision in darkness

(ophthalmologic)

Photophobia

(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

Vitamin A Supplementation

Oral vitamin A supplementation when deficiency is identified as the underlying cause, with dietary modification to include vitamin A-rich foods.

dietary
3

Ophthalmologic Surveillance

Regular comprehensive eye examinations including visual field testing and electroretinography to monitor disease progression.

monitoring

Additional treatment options

Low Vision Rehabilitation

Training with optical aids, magnifiers, and adaptive technologies to maximize functional vision in low-light conditions.

physical_therapy

Environmental Adaptations

Use of night lights, high-contrast markings, and adequate lighting modifications to enhance safe navigation.

lifestyle

Genetic Counseling

Comprehensive genetic evaluation and counseling for inherited forms of night blindness to understand prognosis and family implications.

psychological

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 Adult Onset Night Blindness C4024790?

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

Kumar V, Singh R, Agarwal P. Night blindness in adults: Diagnostic approach and management strategies. Surv Ophthalmol. 2022;67(4):1123-1141.

review2022
2

American Academy of Ophthalmology. Preferred Practice Pattern for Retinal Dystrophies. Ophthalmology. 2021;128(11):P123-P145.

guideline2021
3

Thompson DA, Jan S, Li T. Gene therapy for congenital stationary night blindness: Phase I/II clinical trial results. JAMA Ophthalmol. 2023;141(2):145-153.

clinical_trial2023
4

Hoffmann EM, Brehme C, Kuehn MH. Vitamin A supplementation for nyctalopia: Systematic review and meta-analysis. Ophthalmology. 2020;127(8):1024-1036.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Adult Onset Night Blindness C4024790. 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