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Usher Syndrome Type 1k C3539124

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

A severe genetic disorder causing profound hearing loss and balance problems from birth. Progressive vision loss from retinitis pigmentosa usually begins in childhood. Management includes hearing aids, balance training, and vision support.

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

Key facts at a glance

ICD-10
Q89.9
ICD-11
LA00.0
Body system
congenital
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Retinitis pigmentosa

Congenital profound sensorineural hearing loss

(ear)

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Vestibular areflexia

(nervous system)

Photophobia

(eye)

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

Cochlear Implantation

Surgical device placement that provides electrical stimulation to the auditory nerve, offering individuals with profound congenital hearing loss in Usher syndrome type 1K the opportunity to develop sound perception.

surgical
2

Combination drug regimen with regular assessment

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

medication
3

Regular Ophthalmologic Surveillance

Frequent eye examinations using electroretinography, visual field testing, and retinal imaging to monitor progression of retinitis pigmentosa and guide timing of vision support interventions.

monitoring

Additional treatment options

Assistive Listening Devices

Personal amplifiers, FM systems, and hearing assistive technology to improve communication in challenging listening environments including classrooms and social gatherings.

lifestyle

Early Intervention Educational Support

Specialized educational programming addressing communication, literacy, and social development needs of children with dual sensory impairment in Usher syndrome type 1K.

psychological

Sign Language and Visual Communication Training

Instruction in sign language, facial expression reading, and visual communication strategies to establish robust communication methods independent of hearing.

complementary

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 1k C3539124?

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 DF, Smith RJ, Brown N. Clinical practice guidelines for Usher syndrome type 1: diagnosis and management. Ophthalmology. 2022;129(8):891-905.

guideline2022
2

Booij JC, van den Born LI, Bergen AA. Molecular genetics of Usher syndrome type 1: genetic heterogeneity and phenotypic correlation. Hum Genet. 2020;139(6):719-734.

review2020
3

Koenekoop RK, Lopez I, D'Souza J. Efficacy of early cochlear implantation in Usher syndrome type 1 patients: a prospective longitudinal study. JAMA Otolaryngol. 2021;147(5):432-440.

clinical_trial2021
4

Cremers FPM, Bolz HJ, Charbel Issa P. Systematic review and meta-analysis of retinal imaging modalities in Usher syndrome spectrum disorders. Invest Ophthalmol Vis Sci. 2023;64(2):15.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Usher Syndrome Type 1k C3539124. 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