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Usher Syndrome Type 1f C1865885

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.

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Profound congenital hearing loss

(ear)

Retinitis pigmentosa with peripheral visual field loss

(eye)

Severe vestibular hypofunction

(vestibular)

Ocular cataracts

(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 with Extended Electrode Array

Surgical procedure using specialized electrode arrays designed to preserve residual hearing while providing electrical stimulation, potentially beneficial for the specific auditory characteristics of type 1F.

surgical
2

Medication management with follow-up care

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

medication
3

UV Protection and Light Management

Implementation of specialized eyewear with UV and blue light filtering, along with environmental lighting modifications to reduce light sensitivity and potentially slow retinal degeneration progression.

lifestyle

Additional treatment options

Low Vision Device Assessment

Comprehensive evaluation by low vision specialists to identify and prescribe appropriate assistive devices including bioptic telescopes, electronic readers, and smartphone applications for the visually impaired.

procedure

Transition Planning Services

Age-appropriate programming addressing educational, vocational, and social transitions, particularly focused on building self-advocacy skills and preparing for adult services and employment.

psychological

Assistive Technology Training

Instruction in use of technological aids including screen readers, refreshable Braille displays, and smart home systems to maintain independence in daily activities and information access.

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 1f C1865885?

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

Sankila EM, Pakarinen MP. Molecular genetics of Usher syndrome subtypes. Ophthalmic Genet. 2020.

review2020
2

American Academy of Ophthalmology. Recommendations for genetic testing in inherited retinal diseases. Ophthalmology. 2022.

guideline2022
3

Bonnet C, Grati M. Clinical and molecular characterization of Usher syndrome type 1f patients. JAMA Ophthalmol. 2021.

clinical_trial2021
4

Saunders CJ, Pieke FR. Gene therapy approaches for Usher syndrome. Hum Gene Ther. 2023.

other2023

Medication Comparisons

Compare medications used to treat Usher Syndrome Type 1f C1865885. 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