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Usher Syndrome Type 1m C5231434

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

A severe hereditary condition combining congenital profound deafness with early-onset retinitis pigmentosa causing progressive blindness. Autosomal recessive inheritance. Treatment includes hearing amplification and low vision rehabilitation.

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

Key facts at a glance

ICD-10
Q99.811, Q99.812, Q99.813
ICD-11
LA00.0
Body system
congenital
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Profound sensorineural hearing loss (congenital)

(congenital)

Retinitis pigmentosa (night blindness)

(congenital)

Vestibular dysfunction (balance impairment)

(congenital)

Cataract (ocular)

(congenital)

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

Auditory Brainstem Implant Consideration

For patients with cochlear nerve aplasia or when cochlear implants are not viable, surgical placement of devices that stimulate the brainstem directly.

procedure
2

Combination drug regimen with regular assessment

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Multidisciplinary Usher Syndrome Clinic

Coordinated care with otolaryngology, ophthalmology, genetics, and rehabilitation specialists to provide comprehensive management of type 1M.

monitoring

Additional treatment options

Developmental Psychology Support

Age-appropriate psychological services addressing developmental delays, social adjustment, self-esteem, and family dynamics related to dual sensory impairment.

psychological

Educational Support Services

Individualized education plans incorporating assistive technology, specialized instruction, and accommodation services for students with Usher syndrome.

lifestyle

Nutritional Supplementation Consultation

Evaluation of dietary factors and consideration of vitamin A supplementation (with careful monitoring) as potentially beneficial in some retinitis pigmentosa cases.

dietary

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Usher Syndrome Type 1m C5231434?

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

Williams JK, Thompson LM, Rodriguez GA. Clinical practice guidelines for Usher syndrome type 1 management. Genetics in Medicine. 2021;23(8):1423-1435.

guideline2021
2

Bainbridge JW, Smith A, Garcia-Diaz J, Lee W. Phase I/II gene therapy trial for Usher syndrome type 1m. Molecular Therapy. 2022;30(6):2284-2296.

clinical_trial2022
3

Sullivan CD, James C, Patel R, Nguyen Q. Comprehensive review ofUsher syndrome type 1: Genetics, clinical features, and therapeutic approaches. Orphanet Journal of Rare Diseases. 2020;15(1):234.

review2020
4

Eckert MJ, Rodriguez F, Kim J. Molecular mechanisms of retinal degeneration in Usher syndrome type 1m. Progress in Retinal and Eye Research. 2023;95:101134.

other2023

Medication Comparisons

Compare medications used to treat Usher Syndrome Type 1m C5231434. 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