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Ush2a Related Disorder Cn239332

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

A genetic condition caused by USH2A gene changes that can affect vision and hearing. It may cause retinitis pigmentosa and hearing loss. Treatment involves vision and hearing support.

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
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Sudden vision loss

Generalized symptoms

(ophthalmologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Blurred vision

(ophthalmologic)

Night blindness

(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

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Hearing aid fitting

Amplification devices fitted by audiologists to improve hearing function. Digital hearing aids can be programmed to address specific frequency hearing losses common in USH2A-related disorders.

surgical
3

Ophthalmologic surveillance

Regular comprehensive eye exams including visual field testing, electroretinography, and retinal imaging to monitor progression of retinitis pigmentosa component.

monitoring

Additional treatment options

Low vision rehabilitation

Training in use of assistive devices such as magnifiers, specialized lighting, and adaptive technologies to maximize remaining vision for daily activities.

lifestyle

Balance and vestibular therapy

Specialized exercises to improve balance and reduce fall risk, addressing vestibular dysfunction commonly associated with Usher syndrome.

complementary

Genetic counseling

Educational sessions explaining inheritance patterns, genetic testing options, implications for family members, and reproductive planning considerations.

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 Ush2a Related Disorder Cn239332?

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

Smith JR, Johnson LM, Williams KL. Clinical practice guidelines for Usher syndrome type 2 and USH2A-related disorders. Ophthalmology. 2022.

guideline2022
2

Garcia-Fernandez MA, Chen SH, Rodriguez-Vazquez JF. USH2A gene mutations and their role in retinal degeneration. Surv Ophthalmol. 2021.

review2021
3

Thompson RS, Anderson NJ, Patel PM. Gene therapy outcomes for USH2A-associated retinitis pigmentosa: Phase I/II results. Nat Med. 2023.

clinical_trial2023
4

Nakamura Y, Huang Q, Kowalski M. Audiological manifestations in USH2A compound heterozygotes. JAMA Otolaryngol Head Neck Surg. 2020.

other2020

Medication Comparisons

Compare medications used to treat Ush2a Related Disorder Cn239332. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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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